Keegan is in a hot air balloon 700 m above the ground. He observes his house at an angle of depression of 400. How far is he from his house?

How many grams are in 8 kilograms? if 100 grams = 1 kilogram

Need on this one asap im almost done with this subject

Consider the polynomials given below. p(x) = x4 + 3x3 + 2x2 – x + 2 q(x) = (x3 + 2x2 + 3)(x2 – 2) determine the operation that results in the simplified expression below. 35 + x4 – 573 - 3x2 + x - 8 a. p+q b. pq c.q-p d. p-q