Factor the trinomial, or state that the trinomial is prime.x2 + 6xy - 27y2
A. (x - 3y)(x + 9y)
B. (x + 3y)(x + y)
C. (x + 3y)(x + 9y)
D. prime
Answer: A
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Solve.There are 1.5 milligrams of iron in a 3.5 ounce serving of pork. How much iron is in 4 ounces of pork? Round your answer to one decimal place.
A. 1.3 mg B. 2.7 mg C. 2.3 mg D. 1.7 mg
Find parametric equations for the line described below.The line through the point P(7, -6, -7) and parallel to the line x = 4t - 7, 
A. x = 5t + 7, y = -4t, z = -7 B. x = 4t + 7, y = 5t - 6, z = 4t - 7 C. x = 7, y = 4t - 6, z = -5t - 7 D. x = 4t - 7, y =5t + 6, z = 4t + 7
Answer the question.An average newspaper contains at least 16 pages and at most 87 pages. How many newspapers must be collected to be certain that at least two newspapers have the same number of pages?
A. 73 newspapers B. 70 newspapers C. 71 newspapers D. 72 newspapers
Find a value of ? in [0°, 90°] that satisfies the statement. Leave answer in decimal degrees rounded to seven decimal places, if necessary.cos ? = 0.49566425
A. 119.713561° B. 60.2864387° C. 299.713561° D. 29.7135613°