FiNAL Given: sin(A)=4/5,pie/2less than A less than pie and sin (B)=-2root5/5, pie less than B less than 3 pie/2 What is the value of cos(A – B)?

-2square root 5/25
-square root 5/5
2square root5/5
11 square roo5 /25

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

Arectangle has a length of 6cm by 8cm what is the length of a diagonal of the rectangle

Which statement is true about the local minimum of the graphed function? over the interval[-4,-2], the local minimum is 0. over the interval [-2,-1] , the local minimum is 25. over the interval [-1,4], the local minimum is 0. over the interval [4,7], the local minimum is -7