What is 2 (x + 8) = x + 21

Two rectangular pyramids are similar. The smaller pyramid has a volume of 12 cubic feet, and the larger pyramid has a volume of 324 cubic feet. If the smaller pyramid has a height of 6 feet, what is the exact height (in feet) of the larger pyramid?

What is the sum of the polynomials? (m + n + 3) + (m + n + 4) ?

In a garden, the ratio of daisy plants to jasmine plants is 3:7. How many daisy plants are there if there are 210 jasmines in all?

What is - 3 2/3 x (-4 1/2) ?

Arrange the parabolas with respect tonthe postion of their vertices from left to right

Find any three solutions to the system: 1.5y+x=-0.5 2x+3y=-1

Budgeting for home maintenance early can save money in the long run. Why save early compared to later, especially if the home is new? a.

What do you think it would mean for two expressions to be equivalent? Explain.

Solving systems of equations y = x + 2 y = 3x - 2

A fair die will be rolled 9 times. What is the probability that 4, 5, or 6 is rolled exactly 2 times? Round your answer to four decimal places.