Simplify the expression. All exponents should be positive integers.(-4x6y-7) ? (2x-1y)
A. 
B. -8x5y8
C. 
D. 
Answer: C
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Find the least common multiple of the numbers in the group.45, 56, 150
A. 1,050 B. 2520 C. 12,600 D. 1260
Find the sum of the first 60 even natural numbers.
A. 3,748 B. 3,599 C. 3,706 D. 3,660
Solve the application using the percent equation. Answer with a complete sentence.Students at Maple School earned $870 selling candles. They want to make $2000 for a club trip. What percent of their goal has been reached?
A. 2% of their goal has been reached. B. 43.5% of their goal has been reached. C. 0.435% of their goal has been reached. D. 20% of their goal has been reached.
Answer the question.In the "Big Bucks" lottery game, a person is to pick 6 digits from 0 to 9 in correct order. If a number can be repeated, how many ways are there to play the game?
A. 10,000,000 B. 1,000,000 C. 10,077,696 D. 60,466,176