Andrei has a glass tank. First, he wants to put in some marbles, each of which has a volume of 0.04liters. Then, he wants to fill the tank with water until it's completely full. If he uses 50 marbles, he will have to add 33 liters of water.

Cameron has 11 adult fantail goldfish. This is 7 fewer fantail goldfish than his friend Julia has. Write and solve a subtraction equation to determine the number of Fantail goldfish g that Julila has.

How to solve 3 variable systems

What is the answer to 7-7 (1x-7) >-4+5x

Which ordered pair in the form (a, b) is a solution of this equation? 3a - 4b = 21 A. (-3, - 2) B. (-2, - 3) C. (0, 7) D. (7, 0)

City high school had a student reduction and lost 3/4 of its students. if 87 of its students were left after the reduction, how many students wete there originally?

What is the equation of a line that passes through (0, 5) and (-10, 0)

What is 7 square root 4 to the power of 3?

What is the degree of this polynomial? - 11x^3+10x

Macie just bought a new fish tank. The fish tank is a cube with a side length of 1.75 feet. She is going to fill the fish tank using a small plastic container she found in her kitchen cupboard by filling it at the sink, walking it to the tank,

Tim bought a soft drink for 2 dollars and 4 candy bars. He spent a total of 18 dollars. How much did each candy bar cost?