Use the given values of the variables to find the value of the expression.
for x = -10, y = 4
A. 
B. 
C. 
D. - 
Answer: C
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Solve the work problem.Glenn and Paula want to dig an irrigation channel for their garden. Together it takes them 
to dig an appropriately sized irrigation channel. If Paula can dig the channel by herself in 
how long would it take Glenn to dig the channel by himself? (Round your answer to the nearest tenth of an hour, if necessary.)
A. 3 hr B. 1 hr C. 1.7 hr D. 3.6 hr
Solve the problem.The average weight of a Sample X is 15 times the average weight of a sack of Sample Y. If the average weight of Sample X is 409 pounds, find the weight of the average Sample Y.
A. 6126 pounds B. 6135 pounds C. 735 pounds D. 6144 pounds
Simplify and add or subtract wherever possible.
+ 5
A. 30
B. 29
C. 13
D. 13
Write the sum in summation notation.1 + 3 + 5 + 7 + . . . + 91
A. 
B. 
C. 
D. 