Solve the formula for the given variable.P = 2L + 2W
for W
A. W = P - L
B. W = P - 2L
C. W = 
D. W = 
Answer: C
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Solve the problem.The variable z varies jointly as the third power of x and the second power of y. When 
and 
Approximate the constant of variation to three significant digits.
A. 3.23 B. 6.63 C. 4.73 D. 3.63
Solve the problem.The six Cane brothers spent $88.24, $70.12, $55.74, $57.84, $70.88, and $51.13 on groceries. Find the mean grocery bill.
A. $98.49 B. $65.66 C. $78.79 D. $66.79
A Wisconsin lake is stocked with 10,000 bluegill. The population is expected to grow exponentially according to the model 
. How many bluegill will be in the lake in 10 years?
?
A. 200,000 bluegill B. 40,000 bluegill C. 320,000 bluegill D. 100,000 bluegill E. 11,487 bluegill
Simplify the expression by combining like terms.-3x + 9x + 7x
A. 13 + x B. 13 C. 13x D. 6x + 7x