Addition and subtraction of matrices:

Let: A =, B=, C=

a) Find A + B=

b) Find B-C =

c) Find the additive inverse of matric C

Naomi buys last year's best-selling novel, in hardcover, for $12.35. This is with a 35% discount from the original price. What was the original price of the novel?

Eight times a number minus twenty-seven is no more than the negative of that number plus eighteen

Solve 2y+1-x=7x for y

Which of the following method for making a proof does not involve the negation of a statement

Xavier can work no more than 40 hours in a week. he has already worked 24 hours this week. what is the maximum number of 8-hour days can he work for the rest of the week?

Which type of probability is determined by personal experimentation and testing? a. unpredictable probability b. theoretical probability c. random probability d. empirical probability?

What is the inquality formula for this question the amusement park is open from 10 AM to 6 PM how many hours cause a visit was spent at the museum park in one

Convert 20 oz of egg noodles. You need 5 oz to make one serving of chicken noodle soup. How many servings can you make?

What's the vertex for y=2x^2-12x+19

What is the decimal of 1/2 percent