How do we use electromagnetic energy?

No googled answer

Which expression shows a way to find 2,813*7

A supermarket gives a 10% discount on the marked prices of all items during the sale. Find the following marked prices: 1) the amount of discount given and 2) the sale prices: a) $45 b) $110

What is 44/6 as a mixed number?

Which expression is the simplest form of - (2x+y) + 3 (x-4y) ?

I spent $6 and my friend spent 1 1/4 more than I did ... how much more than me did she spend?

A store spends 30% of its budget on maintenance. its yearly budget is $150,000. how much is spent on maintenance?

How Many 3s Go Into 70

Suppose you can chose from 3 different shirts, 2 pairs of pants, and 5 pairs of shoes. Use the fundamental counting principle to find out how many different outfit combinations you can make.

The volumes of two spheres are 729 in3 and 27 in3. What is the ratio of their radii, rounded to the nearest whole number? a. 1:4 c. 3:1 b. 2:7 d. 3:4

Round the following number to the indicated place value. 13,293 A) 13,290 B) 13,300 C) 13,390 D) 13,280