Hillary bought a sandbox for her backyard. The sandbox is 5 feet long and 6 feet wide. If Hillary wants to fill the sandbox up with 2 feet of sand, how many cubic feet of sand will Hillary have to buy? help i will pay you

Write the equations in logarithmic form 7^3=343

Plzzz answer both questions and i will give you 100 points

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