Using a Richter scale. How much stronger is an 6.7 earthquake than a 3.2 earthquake? Show calculations or explain process. Round answer to two decimal places

A plane travels at a rate of 425 miles per hour. Write an expression to show the distance it travels, if t represents hours.

Brad gets out at school at 2:30 and have to go to bed at 9:30 pm. What time should Brad start his homework if he also has to eat (20 mins long) walk (30 mins long) and shower (35 mins long) ? When should he do each thing he has to do?

What is the ratio of green to purple? Write your ratio using a colon and no spaces. there are 2 greens in five purples

The wheels of a car lock up and it skids 15 m. If it goes 3 times the speed it was going on the same road and under the same conditions, how far will it skid if it's wheels lock up again? A. 26 m b. 45 m c. 90 m d. none of the above

State two numbers such that the grader number is 75% more than the lesser number

What is the percent of 11 / 22

Find the difference between - 14w - 3 and 5w. A.-19w + 3 B. - 9w - 3 C. - 19w - 3 D, - 22w

How is a constant of proportionality like a unit rate?

A patient receives 150 cc of medication in an IV drip over 4 hours. What is the rate per hour of this dose

A package of self-sticking notepads contains 6 yellow, 6 blue, 6 green, and 6 pink notepads. An experiment consists of randomly selecting one of the notepads and recording its color.