Translate to an equation and solve. $22 is 8% of what?
A. $2750
B. $27.5
C. $275
D. $176
Answer: C
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Use the formula d = rt to find the value of the missing variable.d = 198 miles, t = 3 days
A. r = 66 mi/day B. r = 195 mi/day C. r = 63 mi/day D. r = 71 mi/day
Solve the system of equations.
A. x = 0, y = 0, z = 4; (0, 0, 4) B. x = 0, y = 4, z = -4; (0, 4, -4) C. x = 0, y = 4, z = 0; (0, 4, 0) D. inconsistent
Evaluate the radical expressions or indicate that the root is not a real number.
A. 16 B. -2 C. 2 D. not a real number
Solve the problem.A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 14 inches by 23 inches by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x.
A. V(x) = (14 - x)(23 - x) B. V(x) = x(14 - x)(23 - x) C. V(x) = (14 - 2x)(23 - 2x) D. V(x) = x(14 - 2x)(23 - 2x)