Josh used 3/7 x 21 as a compatible number estimate for 3/7 x 20. Is his estimate reasonable? Why or why not?

If the probability of an event is, and there are 28 total outcomes, how many favorable outcomes are there?

If A is uniformly distributed over [-12,16], what is the probability that the roots of the equation x^2+Ax+A+3=0 are both real?

All the 10 by 10 squares together shows 1,200. How many 10 by 10 squares do you have?

risha wants to buy a computer for $775. She already has $275 saved and earns $100 a week babysitting. a. Use w to represent weeks and write an inequality that could be used to determine how many weeks she would have to work to afford the computer. b.

Fiona is goin to jog once around the block she lives on. The block is rectangular, and it is 180 yards long and 200 feet wide. How far will fiona jog in feet ...

What is 12-2x evaluated for = - 8

At 11,560 feet above sea level, Climax, Colorado is the highest in the US. The lowest town is Calipatria, Ca. at 185 ft below sea level. Express both of these distances as integers and tell which is closer to sea level.

What is greater 8/10 or 80/10

A state lottery involves the random selection of six different numbers between 1 and 27. If you select one six number combination, what is the probability that it will be the winning combination?

Lynn cut a whole pie into wedges with angles measuring 90°. How many wedges did she cut the pie into?