June bug opens a savings account with $250 and adds $25 per week. april dew opens a savings account with $400 and adds $20 per week. after how many weeks will they have the same amount saved? enter your numeric answer only.

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations

Calculate the annual effective interest rate of a 12 % nominal annual interest rate compound monthly