What is the solution for r in the equation? 0.4r - 0.13 - 0.7r = 3r - 5.74

Solve this equation: 2/3q=18

Water coming out from a fountain is modeled by the function: f (x) = - x2+6x+6 Where f (x) represents the height, in feet, of the water from the fountain at different times x, in seconds.

What methods can be used to solve quadratic equations?

3. Juanita wants to buy a computer. She needs to earn at least 400 dollars. If she makes 9 dollars an hour and has already saved 40 dollars, how many hours does she need to work?

Anthony has a cup full of nickels and dimes worth $13.90. There are 196 coins all together.

1. What is a perfect square? 2. What is the square root of 4x²? 3. What is the square root of 25? 4. Factor 4x² + 20x + 25.

What is the answer to 6 (-3-4y) simplifying algebriac expressions

Solve this Question 134x23/5^3

Which expression is equivalent to 4x-10y

1/3 (22) - 1 - 1/2 (12)