Today's cafeteria specials at a high school in Somerville are a deluxe turkey sandwich and a chef salad. During early lunch, the cafeteria sold 12 turkey sandwiches and 44 chef salads,
for a total of $124. During the late lunch, 12 turkey sandwiches and 58 chef salads were sold,
for a total of $152. How much does each item cost?
Aturka

What are “like terms”? why can we only add like terms?

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).