Compute the product of the two matrices (if possible).
?
What will be an ideal response?
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Solve the problem.The figure below shows an addition pyramid, in which each number is the sum of the two numbers immediately below. 
For the incomplete addition pyramid below, show that the values in the square can be determined by forming and solving an equation in the unknown variable shown. 
What will be an ideal response?
Solve the problem.A bakery sells three types of cakes, each requiring the amount of ingredients shown.Cake ICake IICake III
To fill its orders for these cakes, the bakery used 72 cups of flour, 48 cups of sugar, and 55 eggs. How many cakes of each type were made?
A. 13 Cake I; 8 Cake II; 7 Cake III B. 37 Cake I; 8 Cake II; 12 Cake III C. 15 Cake I; 8 Cake II; 7 Cake III D. 7 Cake I; 8 Cake II; 13 Cake III
Solve the problem.A room measures 14 ft by 
The ceiling is 
above the floor. The door is 
by 
A gallon of paint will cover 84.2 ft2. How many gallons of paint are needed to paint the room (including the ceiling and not including the door). Round your answer up to the next whole number.
A. 13 gallons B. 23 gallons C. 10 gallons D. 4 gallons
Factor completely. If the polynomial cannot be factored, say it is prime.x9 + 1
A. (x - 1)(x2 + x + 1)(x6 + x3 + 1) B. (x + 1)(x2 - x + 1)(x6 - x3 + 1) C. (x3 + 1)(x6 - x3 + 1) D. (x - 1)(x + 1)(x6 - x3 + 1)