At the same time, Sam and Fred who are 168 miles apart begin moving toward each other. Find the number of hours before they meet if Sam runs 12 mph and Fred runs 9 mph.

Simplify the expression -7 - 8y + 1 - 2y = ?

What would you have to do to make the line y = 2x - 7 steeper on the coordinate plane?

What is the value of 1 raised to a negative exponent?

A stretch of highway that is 12 1/4 kilometers long has speed limit signs every 7/8 of a kilometer. How many speed limit signs are on this stretch of highway?

How do you find the value of coefficients in the x to the cubed power?

F the first three numbers of a proportion are 19, 38, 11, find the fourth proportional is

Round 93.0129 to the nearest thousandth

a hot air balloon is 10 meters above the ground rising at a rate of 15 meters per minute. another hot air balloon is 150 meters above the ground and descending at a rate of 20 meters per minute.

The highest and lowest temperatures ever recorded in the united states are 134° at Death Valley, California, and - 80° aT prospect Creek, Alaska. What is the difference in these temperatures extremes?

The difference between 22 and x