∆ABC is similar to ∆DEF. The perimeter of ∆ABC is five times the perimeter of ∆DEF. The area of ∆ABC is 100 square centimeters. The area of ∆DEF is
square centimeters.

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?