13.4879 to the nearest hundredth
A. 13.49
B. 13.487
C. 13.488
D. 13.50
Answer: A
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Evaluate the line integral.
; C is the curve x = (7 - t), y = - 1, z = (7 - t), 0 ? t ? 1
A. 
B. 
C. 
D. 
Simplify the complex fraction.
A. 30y(y + 8)
B. 
C. 
D. 
Solve the problem.The cost of owning a home includes both fixed costs and variable utility costs. Assume that it costs $3240 per month for mortgage and insurance payments and it costs an average of $1.17 per unit for natural gas, electricity, and water usage. (i) Determine a linear function that computes the annual cost of owning this home if x utility units are used. (ii) What does the y-intercept on the graph of the function represent?
A. y = -1.17x + 38,880; y-intercept, 38,880, represents the minimum cost of owning the home for 12 months without spending anything on utilities. B. y = -1.17x + 3240; y-intercept, 3240, represents the minimum cost of owning the home without spending anything on utilities. C. y = 1.17x + 3240; y-intercept, 3240, represents the minimum cost of owning the home without spending anything on utilities. D. y = 1.17x + 38,880; y-intercept, 38,880, represents the minimum cost of owning the home for 12 months without spending anything on utilities.
Factor completely. If the polynomial cannot be factored, write "prime."x2y2 + 7xy - 44
A. (xy - 11)(xy + 1) B. (xy - 11)(xy + 4) C. (xy + 11)(xy - 4) D. Prime