A right square pyramid below. If L is 15 cm and x is 18 cm, what is the surface area of the pyramid?

A. 864 sq cm

B. 270 sq cm

C. 540 sq cm

D. 756 sq cm

Write and solve an equation. Harry purchased 16 hinges for his kitchen project. They were each on sale for $3 off the regular price. The total cost of the hinges was $80. What was the regular price, p, of the hinges? Solve for p.

If two similar rectangles have corresponding sides with a ratio of 2:3, what is the ratio of their areas?

25. Find three consecutive integers such that twice the smaller is 12 more than the largest.

A bag contains 10 white, 12 blue, 13 red, 7 yellow, and 8 green wooden balls. a ball is selected from the bag, its color noted, then replaced. someone then draws a second ball, notes its color and then replaces the ball.

What is the 30th term of the sequence with the general term an = (5 - n) / (n + 2) ?

What is the sum of 99 x 99?

Which graph represents the linear function y = - 5x + 2

The sum of the page numbers on the facing pages of a book is 69. what are the page numbers.

A house sells for 2.95*10^5 dollars. Write this number in standard form.

Solve 4y-70=12y+2 explain