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

If you were asked to load 225 bixes on a truck, and boxes are crated. With each nine boxes how many crates would you need to load

There are 11 green apples and 8 red apples in a basket. What is the total number of apples in the basket?

If tan θ = 11/60, find the exact value of cot θ.

Alfonso earned a score of 87.5% on his test. he did 56 problems correctly. how many problems were on the test?

You invest $500 in an account that has a annual interest rate of 8%, compounded weekly for 12 years. What is the equivalent interest rate and how many times will the money be compounded? How much will you have?

A local store owner pays her employees time and a half for overtime. That means for every hour an employee works more than 40 hours per week, the store will pay 1.5 times the regular hourly wage of $8.50.

Factor the expression. 5x + 15 The factored expression is

Factor: x2 - 14x = - 48

If c (5,5) and d (7,3), then what is the length of CD? Round to the nearest tenth

Which ordered pair is a solution of y = x + 4? A (0,0) B (5,54) C (7,28) D (9,13)