The table shows how many miles Brandon has traveled after the specific period of time find Brandon’s rate in miles per minute between 15 and 20

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.