Liam was born on October 1, 2009. His grandparents put $20,000 into an account that yielded 3% interest compounded quarterly. When Liam turns 18, his grandparents will give him the money
for a college education. How much will Liam get on his 18th birthday?

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