Use the quadratic formula to solve the following: 3x^2-5x-2=0 This equation has.

a.2 solutions - one is an integer and the other is not
only one solution
b.2 solutions and neither are integers
c.2 solutions and both are integers
d. no solutions

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