Multiply.4a ? 2a2
A. 8a4
B. 8a3
C. 6a3
D. 4a + 2a2
Answer: B
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Solve problems using a calculator.A mapper is a person employed by an electrical utility company who has the job of reading diagrams of utility installations and listing the materials to be installed or removed by engineers. Part of a typical job list might look like this:REMOVAL (in feet of conductor)Location CodeNo. 12 BHD #TX410 AAC110 ACSR6BA1896?673?96B7?75519451972B9?32?285088C31109?177?61(a) How many total feet of each kind of conductor must the engineers remove to complete the job?(b) How many feet of conductor are to be removed at each of the four locations?
A. (a) 2005 feet of No. 12 BHD, 107 feet of #TX, 1369 feet of 410 AAC, 7369 feet of 110 ACSR, and 317 feet of 6B (b) 1665 feet at A1, 5185 at B7, 2970 at B9, and 1347 at C3 B. (a) 2005 feet of No. 12 BHD, 110 feet of #TX, 1369 feet of 412 AAC, 7369 feet of 110 ACSR, and 317 feet of 6B (b) 1665 feet at A1, 5185 at B7, 2970 at B9, and 1361 at C3 C. (a) 2003 feet of No. 12 BHD, 109 feet of #TX, 1369 feet of 410 AAC, 7358 feet of 110 ACSR, and 322 feet of 6B (b) 1665 feet at A1, 5176 at B7, 2970 at B9, and 1347 at C3 D. (a) 2016 feet of No. 12 BHD, 107 feet of #TX, 1346 feet of 410 AAC, 7369 feet of 110 ACSR, and 315 feet of 6B (b) 1665 feet at A1, 5185 at B7, 2968 at B9, and 1333 at C3
Perform the indicated operation.(-70) ÷ (-7)
A. 
B. 0
C. -10
D. 10
Provide an appropriate response. A construction company charges $2 per cubic foot plus an overhead charge of $30 to lay a concrete driveway. Write the function that represents the total cost of laying a driveway for any number of cubic feet.
A. C(x) =2x + 30 B. C(x) =2(x + 30) C. C(x) = 2 + 30x D. C(x) = 32x
Provide an appropriate response.Add the rational expressions and reduce to simplest terms: 
+ 
+ 
A. x
B. 
C. 
D. 