Write each expression in simplest form.
-3/4y-1/3+7/8y-1/2

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?

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10