How can you mentally solve 20 quarts equals 80 cups?

A coin has heads on one side and tails on the other the coin is tossed 12 tossed 12 times and lands heads up 4 times which best describes what happens when the number of trials increases significantly what's the answer

As a certain engine's rotation speed increases, its temperature increases at a constant rate. The table compares the engine's rotation speed (in cycles per second) and its temperature (in degrees Celsius).

If ef = 2x-12 and fg=3x-15 and eg = 23 find the vaule of x, ef and fg

A box contains 8 dimes, 15 quarters, and 27 nickels. A student randomly draws two items, one at a time without replacement, from the bag. Find the probability that 2 quarters are drawn.

Perimeter of 216. Length is 2 times the width. Find length and width

The vertices of a right triangle are (-3, 5), (4, - 1), and (4, y). What is the value of y? A.-3 B.-1 C. 4 D. 5

What is the lowest fraction of 0.875cm

The value of the x intercept for the graph of 4x-5y=40

What is the slope? A) - 5/4 B) 5/4 C) - 4/5 D) 4/5

If a = 6 and b = 2, what is the value of the following expression? (a + b) ^3 - 3ab (a + b)