\begin{tabular}{l}-5 and +5 \\ Question 3 \\ Values more than three standard deviations from the mean are considered \\ \hline\end{tabular}

17. Hassan sells fruit and vegetables at the market. (a) The mass of fruit and vegetables he sells is in the ratio fruit:vegetables \( =5: 7 \). Hassan sells 1.33 tonnes of vegetables. How many kilograms of fruit does he sell? (b) The amount of money Hassan receives from selling fruit and vegetables is in the ratio fruit: vegetables \( =9: 8 \). Hassan receives a total of \( \$ 765 \) from selling fruit and vegetables. Calculate how much Hassan receives from selling fruit. (c) Calculate the average price of Hassan's fruit, in dollars per kilogr: (d) i) Hassan sells oranges for \( \$ 0.35 \) per kilogram. He reduces this price by \( 40 \% \) ii) The price of \( \$ 0.35 \) per kilogram of oranges is an increase of \( 25 \% \) on the previous day's price. Calculate the previous day's price.

Graficar los puntos cuyas coordenadas se dan a continuación: 1. \( \left(1, \frac{5 \pi}{4}\right) \)

The sum of \( x^{-1} \) and \( y^{-1} \) in the most simplified form is \( \begin{array}{ll}\text { A. } \frac{1}{x y} & \text { B. } \frac{x y+1}{x y} \\ \text { C. } \frac{y+x}{x y} & \text { D. } \frac{x y-1}{x y}\end{array} \)

Directions: Write the linear equation in Standard Form. \( y=-\frac{1}{3} x+\frac{23}{9} \) Incorrect Answer Given: \( -\frac{1}{3} x-y=-\frac{23}{9} \) Why is this incorrect? Answer fails to be in the form: \( A x+B y=C \) Answer fails to make sure \( A, B, C \) are not fractions (or decimals). Answer fails to make sure \( A \) is positive.

Determine the difference quotient \( \frac{f(x+h)-f(x)}{h} \) \( f(x)=4 x-8 \)