Solve the problem.How many ways can a class president, a class secretary, and a class treasurer be chosen from a group of 5 candidates?
A. 12
B. 120
C. 15
D. 60
Answer: D
Mathematics
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Add or subtract.7.4 + 3.29
A. 10.33 B. 10.429 C. 4.03 D. 10.69
Mathematics
Evaluate the expression.
A. 362,880 B. 40,320 C. 336 D. 5040
Mathematics
Give the focus, directrix, and axis for the parabola.y2 = 4x
A. (0, 1), y = -1, y-axis B. (1, 0), x = -1, x-axis C. (1, 1), x = 1, x-axis D. (1, 0), x = -1, y-axis
Mathematics
Translate the situation into mathematical language. You need not actually solve the problem.A rectangle's length is four times its width and its perimeter is 30 m. Find the dimensions of the rectangle.
A. Let w represent the rectangle's width; 30 = w(4w) B. Let w represent the rectangle's width; 30 = 2w + 2w C. Let w represent the rectangle's width; 30 = w + 4w D. Let w represent the rectangle's width; 30 = 2w + 2(4w)
Mathematics