Use a positive rational exponent to write the expression.
A. 
B. 
C. 
D. x7/2
Answer: A
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Provide an appropriate response.Rank the numbers in order from smallest to largest.2.15 × 103, 7.76 × 106, 8.02 × 10-3, 6.65 × 103, 2.61 × 10-6
A. 2.61 × 10-6 < 8.02 × 10-3 < 2.15 × 103 < 6.65 × 103 < 7.76 × 106 B. 8.02 × 10-3 < 2.61 × 10-6 < 2.15 × 103 < 6.65 × 103 < 7.76 × 106 C. 2.61 × 10-6 < 2.15 × 103 < 6.65 × 103 < 7.76 × 106 < 8.02 × 10-3 D. 7.76 × 106 < 6.65 × 103 < 2.15 × 103 < 8.02 × 10-3 < 2.61 × 10-6
The regression line always gives an exact model for data.
Answer the following statement true (T) or false (F)
Decide whether or not the correct factored form of the polynomial is given.12x2 - 5xt - 2t2(4x + t)(3x - 2t)
A. No B. Yes
Craig is an accident reconstructionist. He arrives at an accident where there are 4 skid marks of different lengths. He finds their measures to be 85 ft, 92 ft, 88 ft, and 90 ft. It is an asphalt road with a drag factor of 0.8. Because he does not know the efficiency of the driver's brakes, he assumes a brake efficiency of 80%. What is the minimum speed the driver could have been going?
A. 31.6 mph B. 38.2 mph C. 41.3 mph D. 46.2 mph