Use the rules for multiplication by powers of 10 to calculate 20 * 100.
A. 20,000
B. 200
c. 20
D. 2.000

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?

Will give brainliest b. describe the function over each part of its domain. state whether it is constant, increasing, or decreasing, and state the slope over each part.