Faith's grandma is making a blanket for her bed. The blanket needs to be 4 feet wide and 6 feet long. How many square feet of blanket does Faith's grandma need to make? A.10
B.16
C.20
D.24

Answer asap ! the shortest path from point a to point b goes through a pond. to avoid the pond, you must walk straight 34 meters along one edge of the pond, then take a 90 degree turn, and again walk straight 41 meters along another edge of the pond to reach point b. about how many meters would be saved if it were possible to walk through the pond? a. 11 m b. 20 m c. 30.45 m d. 21.73 m

On a piece of paper graph f(x)=5•(0.4)^x

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