Please help due in 3 min

What is the value of x divided into y - z if x = 32, y = 4, and z = 2 3/4?

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?

The reflexive property of congruence lets you say that ∠pqr ≅