Apyramid composed of four equilateral triangles, called a tetrahedron, has a one-side length of 5 meters. what is its surface area? round the answer to the nearest tenth.

If the dimensions of a rectangular prism are 5 ft x 3.5 ft x 2 ſt, what is the surface area?

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Askateboard ramp is in the shape of a right triangle what is the height of the ramp