Cho tam giác ABC (AB a) Tứ giác AIDG nội tiếp đường tròn
b) BE. BC=BH. BI

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16