Use the method of your choice to factor the trinomial, or state that the trinomial is prime.5x2 + 27x - 28
A. (5x + 7)(x - 4)
B. (5x - 4)(x + 7)
C. prime
D. (5x - 7)(x + 4)
Answer: C
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Find the function from the given verbal description of the function.If w is equal to the square root of x, y is the sum of w and 15, and z is y divided by 9, then write z as a function of x.
A. z = 
B. z = 
C. z = 
D. z = 
+ 15
Solve the problem, using 3.14 for ?. Round to nearest tenth unless instructed differently.The outfield wall in a baseball park is in the shape of a quarter circle. If the radius of the circle is 7 ft, how long is the wall?
A. 11 ft B. 22 ft C. 5.5 ft D. 9 ft
Find the average rate of change for the function over the given interval.y = 5x3 - 7x2 + 7 between x = -7 and x = 6
A. 
B. 222
C. 
D. 481
Find the mean for the list of numbers. Round to the nearest tenth.18, 9, 23, 18
A. 17.5 B. 15.5 C. 17 D. 25.7