Ollive buys clothes at a store with a total bill of $54.50. She has a 20% off coupon and pays 7.5% sales tax. She calculates the total cost of the clothes, using the expression: (54.50 - 1.20) (1.075).
Explain the error in Olive's reasoning.
Determine the correct expression and explain your reasoning.

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Asequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. if f(n) represents the nth term of the sequence, which of the following recursive functions best defines this sequence? (1 point) f(1) = 2 and f(n) = f(n − 1) + 4; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2n; n > 1 f(1) = 2 and f(n) = f(n − 1) + 4n; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2; n > 1 i will award !

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.