which of the following are solutions to the quadratic equation? check all that apply. 2x²+9x-3=-x²+x

10. What's the area of the room in this diagram? 12 feet 13 feet

I go backwards 8m in 4s what is my velocity

Solve 3|x|=12. Explain your reasoning

Greg has 2 bags with 7 marbles in each bag Sarah has 10 bags with marbles in each bag how many more marbles does Sarah have

The number of bacteria in a culture is growing at a rate of 1500e^ (3t/4) per unit of time t. at t=0, the number of bacteria present was 2000. find the number present at t=4.

An old nickel has doubled in value each decade. What is the value of the coin after 10 decades? a. exponential growth or exponential decay (choose one) b. answer:

Write the equation of a line perpendicular to y=1/2x + 8 that passes through (4, 9).

A chemist is using 364 millimeters of a solution of acid and water. if 16.8% of the solution is acid, how many millimeters of acid are there?

Harriet plans to file using Single federal income tax return with her husband. Together, they made $145,000 last year. They also received $500 in interest from a CD they own together. They have no children.

Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 148 ft, and ball 2 is dropped from a height of 203 feet.