Establish the identity.
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What will be an ideal response?
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Find the mean.Jill kept track of the number of hours she spent exercising each week. The results for four months are listed below. Find the mean number of hours Jill spent exercising per week. Round your answer to one decimal place if necessary. 6.7 7.4 7.5 8.6 7.3 6.7 8.7 7.5 8.2 6.7 8.6 8.3 8.8 7.4 7.4 8.2 7.3 8.7
A. 7.4 B. 7.8 C. 8.0 D. 8.2
Solve the following quadratic application using the Square Root Property.Recently, the police were reconstructing the scene of a crash. The average length of the skid marks left by 
that was traveling on a dry road in a 55 mph zone was 98 feet long. Using 
where s is the speed in miles per hour of the vehicle and d is the average length of the tire skid marks in feet, determine whether the car was speeding.
A. The car had been going about 42.4 mph. It was not speeding. B. The car had been going about 57.4 mph. It was speeding. C. The car had been going about 54.4 mph. It was not speeding. D. The car had been going about 51.4 mph. It was not speeding.
Tell which set or sets the number belongs to: natural, whole, integer, rational, irrational, real.?
A. real, integer B. rational C. irrational D. real, irrational
Use long division to determine whether the binomial is a factor of f(x).f(x) = 4x3 - 27x2 + 51x - 28; x - 5
A. Yes B. No