Simplify using order of operations.10 - 82
A. -54
B. -4
C. 4
D. 54
Answer: A
Mathematics
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Use the trapezoidal rule to approximate the value of the integral defined by the given set of points.
A. 32.75 B. 25.35 C. 27.85 D. 35.15
Mathematics
Solve the equation.9p - 12 = 8p - 2
A. -2 B. 11 C. 10 D. 9
Mathematics
Solve the problem.Roberto invested some money at 7%, and then invested $2000 more than twice this amount at 12%. His total annual income from the two investments was $3960. How much was invested at 12%?
A. $26,000 B. $24,000 C. $2600 D. $6000
Mathematics
If f(x) = x² and f(a) = 169, find a.
a. a = 14 b. a = 13 c. a = ±14 d. a = ±13 e. a = ±12
Mathematics