Find the derivative.f(x) = 2x(2x + 5)5
A. 2(2x + 5)4(12x + 5)
B. 2(2x + 5)5(7x + 5)
C. 2(12x + 5)4
D. 2(2x + 5)4
Answer: A
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Multiply using the method indicated.824 x 84; Russian peasant algorithm
A. 69,206 B. 69,216 C. 69,226 D. 69,316
Use the check register find the ending balance.The Flower Shoppe had a balance of src="https://sciemce.com/media/4/ppg__10624191611__f1q27g6.jpg" alt="" style="vertical-align: -4.0px;" /> she wrote two payroll checks: 
in its business checking account on 
The manager made a deposit on the same day for 
and wrote check 
to Illinois Power for 
Then on 
to Margaret Flores for 
and 
to Henry Baker for 
On 
she made a 
cash deposit. Record the checks and deposits in The Flower Shoppe's check register, and then find the ending balance.
A. $1520.35
B. $749.55
C. $2462.45
D. $3461.93
Solve.Ron and Kathy are ticket sellers at their class play, Ron selling student tickets for $2.00 each and Kathy selling adult tickets for $4.50 each. If their total income for 364 tickets was $1175.50, then how many tickets did Ron sell?
A. 185 tickets B. 179 tickets C. 157 tickets D. 163 tickets
Solve the problem.Karin's bike got a flat tire and she must walk the rest of the way to work. The bike was being ridden at 
and Karin walks at a speed of 3 mph. The distance from home to work is 15 mi, and the total time for the trip was 3 hr. How far did she have to walk?
A. 2 mi B. 6 mi C. 1 mi D. 9 mi