Identify the degree of the polynomial.-a + 8a3 - 6a7 + 5a2
A. 13
B. 3
C. 12
D. 7
Answer: D
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Find 
in terms of 
.
Select the correct answer.
Solve the problem using your calculator.Ten students in a graduate program were randomly selected. Their grade point averages (GPAs) when they entered the program were between 3.5 and 4.0. The following data were obtained regarding their GPAs on entering the program versus their current GPAs. Use a graphing calculator to model the data with a linear function that predicts a student's current GPA as a function of his or her entering GPA. Entering GPA Current GPA 3.5 3.6 3.8 3.7 3.6 3.9 3.6 3.6 3.5 3.9 3.9 3.8 4.0 3.7 3.9 3.9 3.5 3.8 3.7 4.0
A. y = 5.81 + 0.497x B. y = 3.67 + 0.0313x C. y = 2.51 + 0.329x D. y = 4.91 + 0.0212x
Solve the problem.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t = 
, where t is measured in seconds. Solve the equation for h. Use the result to determine the height from which an object was dropped if it hits the ground after falling for 7 seconds.
A. h = 4.9t2; 240.1 meters B. h = 4.9t; 34.3 meters C. h = 24.01t; 168.1 meters D. h = 24.01t2; 1,176.5 meters
Solve the triangle given below. Do not round results during calculations. (For answers, round lengths to three significant digits and angles to the nearest tenth of a degree).B = 41.9°, b = 143 cm, c = 281 cm
A. C = 43.0°, A = 95.1°, a = 120 cm B. C = 43.0°, A = 95.1°, a = 124 cm C. C = 43.0°, A = 95.1°, a = 116 cm D. C = 95.1°, A = 43.0°, a = 120 cm E. No solution.