For the given vectors u and v, calculate projvu and scalvu.u = 
, v = 
A. projvu = 
;
scalvu = - 
B. projvu = 
;
scalvu = -2
C. projvu = 
;
scalvu = - 
D. projvu = 
;
scalvu = 
Answer: C
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Given p is true, q is true, and r is false, find the truth value of the statement.r ? p
A. False B. True
Solve the problem using your calculator.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). Use a graphing calculator to model the data with a linear function that predicts the number of products sold as a function of the cost of advertising.
A. y = -26.4 - 1.42x B. y = 55.8 + 2.79x C. y = 26.4 + 1.42x D. y = 55.8 - 2.79x
Solve the formula for the specified variable.S = 2?rh + 2?r2 for h
A. h = S - r
B. h = 
C. h = 2?(S - r)
D. h = 
- 1
Solve the equation by factoring.54x2 + 30x = 0
A. {0}
B. {
, 0}
C. {
, - 
}
D. {- 
, 0}