Suppose A and B are two matrices with the same dimensions. Explain how to find A + B and B - B.

Is 4 7/8 a rational number

The total temperature measured by 3 thermometers was - 15 degrees Fahrenheit. What was the average temperature measured by the 3 thermometers?

What does rewrite each expression as a sum mean? -8x^2+3xy-9x-3

What is 5/12 plus 1/3? I'm confused because the denominator has to be 36.

A circle with radius 4 has a sector with a central angle of 8/5 pi radians. What is the area of the sector?

What is expression 42 subtract 7 multiplied by the sum of 2 and 4

If each paper clip is 3/4 of an inch long and costs 0.02$ exactly enough paper clips are laid end to end to have a total of 36 inches. What is the total cost of these paper clips

Use commutative and associative properties to solve1 1/3 + (2+3 2/3)

One of the elephants in the zoo is on a special diet. Every day, the elephant eats the same amount of carrots that the rabbit eats in 1 year (365 days). The rabbit eats the same amount of carrots every day.

Find range of length for third side 4cm, 17cm