Select the correct answer. What is the author's voice in the text, based on the word choices she makes? A. optimistic and cheerful B. formal and inspirational C. scornful and sarcastic D. casual and relaxed

Question A high school freshman decided to start saving for college. When this decision was made, the savings account had a balance of \( \$ 872 \). After 25 weeks, the balance of the account was \( \$ 2372 \). What is the slope in this situation? Do not include units in your answer.

\( \frac { d } { d x } = x + 5 \)

\( \frac{5}{16} \div \frac{1}{9} \quad \) d. \( \frac{7}{4} \div \frac{6}{5} \)

their school's craft falr, Diego and Rachel are both selling homemade bars of soap. So far lego has sold 18 bars of soap and has earned \( \$ 31.50 \). Rachel has sold 20 bars of soap and las earned \( \$ 34.00 \). Who is offering the better bargain?

APLICACIÓN 6 Si compro un televisor a S/ 12000 y lo quiero vender ganando el \( 20 \% \). ¿A cuánto lo debo vender? \( \begin{array}{ll}\text { a) S/ } 14400 & \text { b) } 12200 \\ \text { c) } 22000 & \text { d) } 1240 \\ \text { e) } 14440 & \end{array} \)