Miquel, José y Adrlán practican ciclismo en un velódromo de 250 metros de longitud. Miguel dio seis vueltas, José cinco. vueltas y Adrián tuvo un fuerte calambre al empezar, así que solamente hizo partes de una vuelta. ¿Cuántos metros recorrió Miguel? ¿Cuántos metros recorrió José? ¿Cuántos metros son la quinta parte de 250 m ?

Sarah bought a shirt on sale for \( \$ 35 \). The original price of the shirt was 3 times that amount. Sar bought a pair of shoes on sale for \( \$ 28 \). The original price of the shoes was 5 times that amount. Together, how much money did the shirt and shoes cost before they went on sale?

\( \int \int _ { 1 } ^ { 2 } \frac { 4 y ^ { 2 } - 7 y - 12 } { y ( y + 2 ) ( y - 3 ) } d g \)

3. Is \( 23 \times 10^{-6} \) written in scientific notation? Justify your response. 5. Your calculator display shows \( 5.3 E \) - 9. Express the nur standard form.

d. \( \left\{\begin{array}{l}3 x-y=-7 \\ 5 y+6 x=14\end{array}\right. \)

3. A 10 -pound sack of flour costs \( \$ 8 \). a. How much does 40 pounds of flour cost? b. What is the cost per pound of flour?