Solve the problem.Find the length of the unknown side of the right triangle, where a and b are the legs and c is the hypotenuse. a = 6, b = ?, c = 10
A. b = 10
B. b = 8
C. b = 7
D. b = 9
Answer: B
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Find the distance traveled by a point P traveling on a circle of radius r by finding ? and then using the arc length formula, s = r?. The value of ? is in radians/sec. Give an exact answer unless otherwise indicated.r = 14 ft, ? = 
, t = 0.6 hr
Round your answer to the nearest foot.
A. 2375 ft B. 142,503 ft C. 95,002 ft D. 1,425,026 ft
Subtract.
A. 72,051 B. 75,055 C. 71,991 D. 72,055
Solve the equation and check.
x = __________
Fill in the blank(s) with the appropriate word(s).
Assignment
1. A population consists of five observations: A = {10, 6, 8, 9, 12} a) Calculate the mean of the data set. b) Calculate the standard deviation of the data set. c) What are the new values of the mean and the standard deviation if the same constant k is added to each data value in the given set? d) What are the new values of the mean and the standard deviation if each data value of the set is multiplied by the same constant k? 2. A national achievement test has a mean score of 150 and a standard deviation of 25. The z-score for student A is 1.2, for student B is 0.9. Who gets higher score and what is the score? 3. For the following set of data {(-1, 0), (0, 2), (1, 4), (2, 5)} a) Find the slope and intercept of the least square regression line b) Compute the R-squared (The coefficient of determination) by: R-squared = SSR / SST = 1 ? SSE / SST c) Estimate the value of y for x = 1.9