What's the answer to: 39-7x=-4(7x+7)+4

Evaluate cos2θ for cosθ = square root of 3/2

What is the lcm of 16 and 40 ? 24 and 40 ?

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m