Collect like terms.5x - 2y + 8 + 4x
A. 15xy
B. 9x - 2y + 8
C. 9x + 6y
D. 9x - 2y
Answer: B
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Translate the problem situation to a system of equations. Do not solve.Bill & Jose's Discount Cinema sold adult tickets for $5.70 each and children's tickets for $1.60 each. Last Tuesday, a total of $489.90 was collected from 114 movie watchers. How many of each type were sold?
A. x + y = 489.90; 5.70x + 1.60y = $114 B. x + y = 7.30; 5.70x + 1.60y = $489.90 C. x + y = 114; 5.70x + 1.60y = $489.90 D. x - y = 114; 5.70x + 1.60y = $489.90
Find the product. Try to do the work mentally.5 ? 1 ? 0
A. 0 B. 6 C. 1 D. 5
Solve the problem.How many different three-digit numbers can be written using digits from the set {4, 5, 6, 7, 8} without any repeating digits?
A. 10 B. 120 C. 60 D. 20
Use properties of logarithms to simplify.loge e
A. e2 B. 1 C. 0 D. e