Solve the problem.An appliance store had monthly sales of $54,000 and spent 8% of it on promotions. How much was spent on promotions?
A. $43,200
B. $4320
C. $675,000
D. $67,500
Answer: B
Mathematics
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Use the definition f'(c) = 
to find the derivative.f'(10) if f(x) = 11x2 + 9x
A. 269.5 B. -300 C. 310 D. 229
Mathematics
Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.log3 (x + 3) + log3 (x + 1) = log3 24
A. 7 B. 3 C. -7, 3 D. No solution
Mathematics
Find a rectangular equation equivalent to the given pair of parametric equations.x = 6 sin t, y = 6 cos t; 0 ? t ? 2?
A. y2 - x2 = 36; -6 ? x ? 6
B. y =
; -6 ? x ? 6
C. x2 + y2 = 36; -6 ? x ? 6
D. y = x2 - 9; -2 ? x ? 2
Mathematics
Solve the problem.Find the area of a triangular garden if the sides are approximately 5 feet, 10 feet, and 12 feet.
A. 300 sq ft B. 7 sq ft C. 387 sq ft D. 25 sq ft
Mathematics