Evaluate the determinant.
A. 0
B. 2ab
C. a2 - b2
D. a2 + b2
Answer: C
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Solve the problem.A 9-ft. board is cut into 2 pieces. If one piece is 5 feet longer than 3 times the shorter piece, find the lengths of both pieces.
A. shorter piece: 22 ft; longer piece: 27 ft B. shorter piece: 4.5 ft; longer piece: 27 ft C. shorter piece: 15 ft; longer piece: 32 ft D. shorter piece: 1 ft; longer piece: 8 ft
Solve the problem.Bruce is a retired carpenter who builds patio chairs and dog houses which he sells at his local flea market. It takes him 4 hours to build a dog house and 5 hours to build a patio chair. Bruce can work no more than 40 hours per week and he must produce more dog houses than chairs. Write a system of inequalities to describe this situation and solve the system by graphing. Use D for the number of dog houses and P for the number of patio chairs produced in a week. 
A. 
B. 
C. 
D. 
Solve the problem involving consecutive integers.The house numbers of two adjacent homes are two consecutive even numbers. If their sum is 394, find the house numbers.
A. 196, 392 B. 195, 197 C. 197, 199 D. 196, 198
Solve the problem.Jason is paid $500 per month plus a commission of 4% of the first $2,500 of his sales, and 6% of his sales over $2,500. Last month his sales totaled 
Find Jason's gross pay for the month.
A. $1377.00 B. $1527.00 C. $2972.00 D. $2045.00