Simplify.16 - (-8) + 7
A. 31
B. 15
C. -1
D. 1
Answer: A
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The length of skid marks when a car skids to a stop is a power function of the speed the car is traveling when brakes are applied. The value of the power in this function is 
. If the skid mark length is multiplied by 2.19, how is the speed affected? Round your answer to two decimal places if necessary.
?
A. Stride length is multiplied by 4.8. B. Stride length is multiplied by 1.52. C. Stride length is multiplied by 1.48. D. Stride length is multiplied by 5.54.
Provide an appropriate response.Given the solutions of a quadratic equation, is it possible to reconstruct the original equation? Why or why not?
What will be an ideal response?
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
2
A. 3x - 10
+ 23
B. 3x + 25
+ 25
C. 3x + 25
+ 23
D. 3x - 10
+ 25
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?