Is - 20 x - 18 positive or negative?

A bag contains 7 blue marbles, 12 green marbles, and 5 red marbles. Two marbles are drawn one at a time. What is the probability that the second marble is blue, given the first marble was green and was replaced?

7x^2-14x + 5 = - x^2 Solve the equation for all real solutions

How to solve this problem. A survey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand X aspirin. How many doctors use brand X aspirin?

Find an expression. That is equal to 16% 1 for every

I watched a movie called Nemo, the movie was 1h:20m long. The first commercial started at 20 minutes ideational commercials were every 10 minutes. What is the greatest number of commercials shown during the movie?

Describe how to decide if 94 is a prime munber or composite number

7. Abdi worked 40 hours during the first week of his summer job and made $9.50 per hour. His paycheck was for $351.50. How much did his employer withhold from his paycheck? Vour answer

If 3 boxes weigh 0.53 pounds each, what is the total weight?

Five times the number of test tubes in a school's chemistry lab exceeds three times the number of beakers it has by 660. The sum of two times the number of test tubes and five times the number of beakers is 450.

3842 & 2486 What's the greatest common factor