Find the product.(5a + 7c)(5a - 7c)
A. 25a2 + 70ac - 49c2
B. 25a2 - 49c2
C. 25a2 - 70ac - 49c2
D. 5a2 - 7c2
Answer: B
Mathematics
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Subtract and check.
A. 34 B. -66 C. 1198 D. 30
Mathematics
Find the product.-10(-10)
A. 100 B. 110 C. -100 D. -110
Mathematics
Find the percent using a proportion. Round your answer to the nearest tenth if necessary.3.6 inches is what percent of 20 inches?
A. 5.6% B. 555.6% C. 18% D. 0.2%
Mathematics
Provide an appropriate response.If f(x, y, z) = x2yz2 + xy2z + xy, then fx(1, 2, 3) =
A. 36. B. 55. C. 48. D. 50. E. none of the above
Mathematics