12 less than a number is the same as 5 times the same number
increased by 4. Find the number. *

Evaluate cos2θ for cosθ = square root of 3/2

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

Could these triangles be congruent? yes, if ab - deyes, if bc = 7yes, if ab - efno, because the hypotenuses must have different lengths