The angle of elevation of the top of a tree from a point on the ground 60m away from the foot of the tree is 78°. Find the height of the tree correct to the nearest whole number.

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2