Can em waves travel through a perfect vacuum?

Brenda had a library book for 3 weeks. Ivan had a library book for 17 days. How many more days did Brenda have her library book than Ivan?

Jonathan has 3/4 pound of grapes. How many 1/8 pound servings can he make from his grapes.

A missile guidance system has five fail-safe components. The probability of each failing is 0.05. Find these probabilities.

What is the difference in place value between the 2 in 324 and the 2 in 0.324

Which equivalent expression will be generated by applying the Distributive Property and combining like terms in the expression 11 + 4 (x + 2y + 4) ?

What is constant of Proportionality in the equation y = 2.5x

The height of a ball above the ground t seconds it is thrown is h () = - 16^2 + 32 + 20. How long will it take for the ball to hit the ground?

One bus leaves astop every 12 minutes. a second bus leaves the same stop every 18 minutes. if they both leave at 3:20pm at what time will the next leave together

0.8342 turned into a fraction

Two inches are cut off one side of a square board and three inches are added to an adjacent side. The resulting rectangle has a perimeter of 54 inches. What were the dimensions of the original square?