The sum of the ages of Nicole and Rachel is 30. Currently Nicole is four years older than Rachel. How old is Rachel?

Michael earns $6.50 an hour plus tips. Last night he received $36.50 in tips and earned a total of $65.75. How many hours did he work?

The product of two numbers is 225, but the sum is - 30. what are these two numbers?

How much is in a gallon?

How to Solve proposition?

Write a related subtraction fact for 9 + 3 = 12. Explain how the two facts are related.

A batch of 330 samples of rejuvenated mitochondria contains 6 that are mutated (or defective). Two are selected from the batch, at random, without replacement.

What is the equation form of a pure quadratic? a. ax^2+bx=0 b. ax^2+c=0 c. ax^2+bx=c d. ax^2+c=bx

The horsepower, H (s), required for a racecar to overcome wind resistance is given by the function : H (s) = 0.003s^2+0.07s-0.027, where (s) is the speed of the car in miles per hours.

Is 20, 10, 9 a triangle

What is 248 rounded rounded to the nearest tenth