Problem 2.2 Each week, the price of oranges at the farmer's market
increases by 20%.
The price of oranges this week is $4.50.
What was the price last week?

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4