Simplify.
A. Not a real number
B. 6
C. 18
D. 7
Answer: B
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Find the product.(2n + 7)(n + 8)
A. n2 + 23n + 56 B. 2n2 + 23n + 56 C. n2 - 23n + 56 D. 2n2 - 23n + 56
Determine whether the equation is quadratic.x2 = 3
+ 7
A. No B. Yes
Solve the problem.Three different high schools plan to order the same three text books. School A plans to order 90 of book 1, 20 of book 2, 80 of book 3. School B plans to order 60 of book 1, 20 of book 2, 20 of book 3. School C plans to order 80 of book 1, 100 of book 2, 70 of book 3. The cost of book 1 is $15 per copy, the cost of book 2 is $20 per copy, and the cost of book 3 is $25 per copy. What matrix product displays the cost to each school of buying the textbooks? Display the two matrices which must be multiplied and their product.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Follow the rules for working with measurements.The area of a rectangle is 
Its length is 34 ft. Find its width. A = lw.
A. w = 2.2 ft B. w = 2.6 ft C. w = 2 ft D. w = 2.3 ft E. w = 1.2 ft