Solve the problem.Let the distance from home in miles of a person after t hours on a straight path be given by 
Approximate the average rate of change of s from 
to 
to the nearest tenth and interpret the result.
A. about 3.6; average speed is about 3.6 mi/hr
B. about 4.2; average speed is about 4.2 mi/hr
C. about 7.3; average speed is about 7.3 mi/hr
D. about 2.1; average speed is about 2.1 mi/hr
Answer: B
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Refer to the figure with B the midpoint of side AC , D the midpoint of side CE, BD = x+ 4, and AE = 6x -12
Find x. _____________
Suppose you wish to tile a floor that measures 12 ft by 28 ft. How many square tiles that measure 2 ft on a side should you purchase for the job?
a. 168 tiles b. 336 tiles c. 40 tiles d. 84 tiles e. 20 tiles
Identify the coefficients of the polynomial.3y9 + 5y - 4
A. 3, -5, 4 B. 3, 5, -4 C. 3, 5, 4 D. 9, 1, 0
Factor completely. State that the polynomial is prime if it cannot be factored.a3b - 6a2b2 + 8ab3
A. ab(a - 8b)(a - b) B. a(ab - 2)(ab - 4) C. ab(a - 2b)(a - 4b) D. ab(a - 2b)(a + 4b)