Evaluate.5 × 18 - 21 ÷ 3 + 82
A. 147
B. 9
C. 59
D. 161
Answer: A
Mathematics
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Find the local extrema of the function, if they exist.f(x) = 3x2 + 6x + 1
A. Local minimum at (-1, -2) B. Local maximum at (1, 2) C. Local minimum at (2, 1) D. Local minimum at (-2, -1)
Mathematics
Find the solution to the system of equations by the substitution method.-7x + 9y = -274x + 2y = -6
A. (-1, -3) B. (0, -3) C. (0, -2) D. (-1, -2)
Mathematics
Use the multiplication principle to solve the equation.
? t = 102
A. 24 B. 102 C. 119 D. 306
Mathematics
Find the sum.7 + (-11)
A. -4 B. -18 C. 4 D. 18
Mathematics