Most of canada is located in what latitude range?

Me find the missing dimension of a triangle height: 7 in., area: 21^2

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how