Factor the expression r^2+19rs+90s^2

A: (r+3s) (r+30s)

B: (r+3) (r+30s^2)

C: (r+10s) (r+9s)

D: (r+10) (r+9s^2)

2x - y - 4 = 0 3x + y - 9 = 0 What is the solution set of the given system? a. { (6/5, 13/5) } b. { (13/5, 6/5) } c. { (5, 6) } d. { (6, 5) }

I need to show work. Kelly saves $5 every week. Which expression represents the amount of money, in dollars, Kelly will save in w weeks? a) 5+w, b) 5-w, c) 5w, d) 5/w

Which property is demonstrated in the equation (4*7) * 10 = 4 * (7*10) A associative B symmetric C commutative D distributive

Solve the inequality. 3p + 2 ≥ - 10

What is the solution to the linear equation - 6z + 1 = 13? Select one: No Solution Infinitely many solutions z = 2 z = - 2

27 less than twice a number is negative 1

Which function below represents exponential decay?ƒ (x) = 0.5 (2) xƒ (x) = 4 (0.25) xƒ (x) = 2 (1.3) xƒ (x) = (-3) x

What is the answer to x=4

Last week Lisa had gross earning of $441.30. Cathy receives a base salary of $375 and a commision on sales exceeding her quota of $5000. What is her rate of commision if her sales were $6560?

What is the area of a rectangle which is 57 cm long and its breadth is 34 cm? One weird question for you to answer, what's my name?