What is the correct formula for the value of the determinant?
[a b]
[c d]

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?

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

How to use order of operation in 20 divide by 4 multiply 5 = 1