How many elements are in the set (A, B, C) ?

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Finding the perimeter of a rectangle

What is 2*2^3 in standard form?

Estimate the difference 299-61

A manufacturer is designing a flashlight. For the flashlight to emit a focused beam, the bulb needs to be on the central axis of the parabolic reflector, 3 centimeters from the vertex.

If someone has a cube shaped box that measures 9 inches along each edge. Can they fit 1,000 1 square inch cubes inside the box

Use synthetic division to check - 4 is a root of the polynomial expression: x^4+2x^3-9x^2-2x+8=f (x)

How do you know that the answer to a decimal subtraction problem is reasonable

In a college parking lot, the number of ordinary cars is larger than the number of sport utility vehicles by 59.3%. The difference between the number of cars and the number of SUVs is 16. Find the number of SUVs in the lot.

F = 1/2 (r + 6.5) Show Work!

A guitar is on sale for 20% off the original price. Let p represent the original price. What expression can be used to calculate the sale price?