Polynomial!
simplify (3x2 − 2) + (5x2 + 5x − 1).

a) 8x2 + 5x − 3
b) 8x2 + 5x − 1
c) 2x2 + 5x − 3
d) 8x2 + 7x − 1

At a point on the ground 50 meters from the foot of a tree, the angle of elevation to the tree is 48°. find the height of the tree to the nearest meter.

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

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.