You are in a room with other students and are asked to get in groups of 3. When finished, there are 21 groups of 3. How many students are in the room?

Solve 1/8 + 6a/5 = 3/8 + 2a/5 + 7/8

The heat in the house is set to keep the minimum and maximum temperatures (in degrees Fahrenheit) according to the equation |x - 72.5| = 4. What are the minimum and maximum temperatures in the house?

What is the quotient of (x3-x2-17x-15) / (x-5)

Evalute (x+y) ^0 for x = 4 and y = 3

Y varies inversely with x. If y = 7 when x = - 4, find y when x = 5.

What is the length of the side opposite angle B? 3 units 4 units 5 units 6 units

Choose all of the equations that are equivalent to 8k = 20. A. 8k - 4 = 20 + 4 B. 8k : 4 = 20 : 4 C. 8k * 3 = 20 * 3 D. 8k + 10 = 20 + 10 E. 8k * 5 = 20 : 5

If inflation is 4.44% per year and a car costs $32,600 what would have it been 2 years ago?

Which number can be removed from the following list of data so that the median will remain the same? 80, 32, 55, 50, 46, 71, 60 A. 32 B. 55 C. 60 D. 80

Historically, the percentage of US residents who support stricter gun control laws has been 52%. A recent Gallup Poll of 1011 people showed 495 in favor of stricter gun control laws. Assume the poll was given to a random sample of people.