How do know how many protons are in a atom

On a particular day, the wind added 5 miles per hour to Jaime's rate when she was rowing with the wind and subtracted 5 miles per hour from her rate on her return trip.

Examine each number. What number can you add to this number to make a number that has a whole-number square root? a) 42 c) 470 b) 101 d) 1000

If I was asked to think of a number and multiply it by 2, I could write this algebraically as 2x. Write the following algebraically, using x as your unknown. "I think of a number, multiply it by itself and then add 6 to the result."

What time is it 15 minutes before 5:30

A cheetah runs at a speed of 49 miles for every hour. If the distance traveled, in miles, is d and time, in hours, is t, which equation shows the relationship between d and t? d = 49 + t t = 49 + d d = 49t t = 49d

Match the following items

Is (0, - 1) a solution of - 10x + 4y > - 4?

A running tab dispense is. 15 gallons of water every second how many pints is dispensed after 20 seconds?

A pest control co sprays insecticide around a building of a 180ft by 180ft. The spray cost $.11 per ft, how much did the job cost

After every ninth visit going to a restaurant you receive a free beverage. After every twelfth visit you recieve a free appetizer.