Been stuck on this equation !! The answer isn’t 45 !

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?

Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i