\begin{tabular}{|l|l}\hline Erosion is the process of materials moving from \\ their source to another location through \\ weathering. There are several types of erosion, \\ but the most common types are erosion by \\ wind, water, and ice. \\ Author's Purpose \end{tabular}

4. Write the converse of the following conditional statement and determine if it is true. the tement is if If \( \overline{A B} \cong \overline{C D} \). then \( A B=C D \).

A mobile phone service provider wants to survey its customers to study privacy concerns and the sharing of their personal information. They call 5,000 randomly selected phone numbers from a database containing the phone number of every customer. If someone selected doesn't answer, they'll attempt calling back up to 2 more times before giving up on reaching that person. They reach 350 customers with this strategy, and \( 60 \% \) of those reached say they are at least "somewhat concerned" about their personal information being shared without their knowledge or consent. Which of these is the most concerning potential source of bias in the provider's survey?

I 08/04 Factura duplicado. Vende mercaderías por \( \$ 580.000 \), recibiendo \( \$ 200.000 \) en cheques terceros y el resto, mitad en efectivo y mitad en cuenta corriente sin documentar. I 08/04 Ficha de stock. El C.M.V de la operación anterior es de \( \$ 370.000 \). I11/04 Recibo original. Abona a la inmobiliaria "El Molino" \( \$ 200.000 \) en concepto de alquiler al, con los cheques de terceros recibidos en la operación 4 .

35. Докажите, что: \( \begin{array}{lll}\text { a) корнем уравнения } 1,4(y+5)=7+1,4 y \text { является любое чис } \\ \text { б) уравнение } y-3=y \text { не имест корней. } \\ \text { 36. Имеет ли корни уравнение: а) } 2 x+3=2 x+8 ; & \text { б) } 2 y-y \text { ? }\end{array} \)

FMU Question 5 Miss Jones decided to divide her class of 24 students into groups according to the colour of their hair: brown, black, blonde and red. She counted three times as many brown haired students as those with black hair. There were six less, blonde haired students than brown haired students and the number of red haired students was one third of those with blonde hair. How many students of each hair colour did Miss Jones have in her class?