5) find the missing value.
a) 4x (5 + 3) = (4 * 5) + (*)
b) 3 < (3 + 2) = ( ) + (3 x 2)
c) 4x (4 + 3) = () + (4 * 3)
d) 6x (5 + 3) = (6 * 5) + (o)
e) 6+ (1) = (6 * 5) + (6 * 3)
f) 5( ) = (5 6) + (5 x 3)

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