Solve the problem.A cellular phone plan had the following schedule of charges:Basic service, including 100 minutes of calls$20.00 per month2nd 100 minutes of calls$0.075 per minuteAdditional minutes of calls$0.10 per minuteWhat is the charge for 200 minutes of calls in one month?What is the charge for 250 minutes of calls in one month?Construct a function that relates the monthly charge C for x minutes of calls.
What will be an ideal response?
$27.50
$32.50;
C(x) = 
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Solve the problem.The table below shows the result of a polygraph test conducted on 2000 college students. Students were asked whether they had ever cheated on a test. All of them denied having cheated. Use the table to answer the question. 
What percentage of those that were lying were found to be truthful?
A. 13.3% B. 0.8% C. 28.9% D. 11%
Factor completely.x4 + 2x3y - 3x2y2
A. x2(x - 3y)(x - y) B. x2(x - 3y)(x + y) C. x2(x + 3y)(x - y) D. x(x + 3y)(x - y)
Write the expression as a single logarithm with coefficient 1. Assume all variables represent positive real numbers with 
and 
.
logb 2y + 
logb (4y2)
A. logb (8y39/40) B. logb (239/20 y63/40 ) C. logb (8y9/10) D. logb (2112/45 y112/45)
Consider the plot plan shown in the figure below. How many cubic yards of sawdust are needed for preparation of the lawn area if it is to be spread to a depth of 2 inches?
?
Give your answer to the nearest cubic yard.
?
?
__________ yd3
Fill in the blank(s) with the appropriate word(s).