Asoccer player ran 180.48 miles in 70.5 days to stay fit. how many miles will he run in 9 days

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i