Need answer fast! what is the simplified expression for 5ab + 9ab - ab? a. 12ab b. 13ab c. 15ab d. 16ab

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points

3x + 4y = 5 x- 3y = -7 solve by substitution

Nellie is analyzing a quadratic function f(x) and a linear function g(x). will they intersect? f(x) g(x) graph of the function f of x equals one half times x squared, plus 2 x g(x) 1 5 2 10 3 15