Solve this system of equations: y = 2t^2 + 3t + 500 and y = 3t^2 + t + 300

Marianna went running and had 16 of a bottle of water left when she stopped to rest. She went to a water fountain and filled it until it was 23 full. How much water (as a fraction of a bottle) did Marianna put in her bottle at the water fountain?

A sandcastle mold is in the shape of a cylinder with a diameter of 6 inches and a height of 8 inches. To the nearest cubic inch, how much sand will fit in the sandcastle mold? Explain how you determined your answer.

In a circle, which ratio is equivalent to π? A. Radius to Area B. Diamiter to radius C. Area to circumference D. circumference to diameter

5x + 2y = 29 and 8x - 8y = 80

Every 3 Days Marco fills up his car with gas. Every 8 Days he washes it. On what day will he fill his car and wash it

The sum of two numbers is 43. The larger number is 21 more than the smaller number. What are the numbers?

If the parent function is f (x) = x^3 which transformed function is shown in graph

Triangle ABC and triangle PQR are given. Triangle ABC is congruent to triangle PQR by SAS. If angle ABC = 12x+2, angle PQR = 142-2x, AB = 5y+7, and PQ = 3y-1, then which of the following statements are true? Select all that apply

Mario buys 2 pounds of hamburger and 1 pound of sausage. Sausage costs 10 cents more per pound than hamburger. If the total cost of the meat is $5.50, what is the cost of the hamburger per pound?

2 Enunk had 42 rocks that he wanted to share with his 4 friends. If he gave each friend the member of rocks (and kept the same number of rocks for himself), how many rocks and each person get?