Simplify.0.52 + 0.22 - 0.7
A. -0.41
B. 2.1
C. -0.21
D. 0.7
Answer: A
Mathematics
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Find the sum.-23.7 + 16.5
A. -7.2 B. 7.2 C. -40.2 D. 40.2
Mathematics
Evaluate the improper integral.
A. 27(ln 27 - 1)
B. 
C. 27(ln 27 - 2)
D. 
Mathematics
Solve the problem.A square has an area of 49 square inches. If the same amount is added to the length and removed from the width, the resulting rectangle has an area of 45 square inches. Find the dimensions of the rectangle.
A. 3 in. by 4 in. B. 5 in. by 10 in. C. 4 in. by 9 in. D. 5 in. by 9 in.
Mathematics
Factor the polynomial f(x). Then solve the equation f(x) = 0.f(x) = x3 - 4x2 - 11x + 30
A. (x - 2)(x + 3)(x - 6) ; 2, -3, 6 B. (x + 2)(x - 3)(x + 5) ; -2, 3, -5 C. (x - 2)(x + 3)(x - 5) ; -2, 3, -5 D. (x - 2)(x + 3)(x - 5) ; 2, -3, 5
Mathematics