Numbers like 10 100 and 1000 and so on are called

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9