Each square on the grid represents 1 yd². what is the approximate area of this pond? a. about 10 yd² b. about 15 yd² c. about 20 yd² d. about 25 yd².

Name the quadrilaterals that have four equal sides.

"princess tower" in dubai is considered the world's tallest residential building, towering to 1 0 1 101 floors! t ( n ) t(n) models the number of tenants living on floor n n of the tower. what does the statement t ( 2 0 ) = t ( c ) t(20)=t(c) mean?

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