Due to inflation, a refrigerator that formerly sold for $450 now sells for 7% more. Which of the following calculations gives the current cost, in dollars, of the refrigerator (excluding sales tax)?
(A)450 + 7
(B) 450 + 450(0.07)
(C) 450 + 450(0.7)
(D) 450 + 450(7)
（A） （B） （C） （D） x - 3 （E）
Correct Answer: B
Which of the following is the slope of a line parallel to the line in the standard (x, y) coordinate plane?
（A）-7 （B） （C） （D） 2 （E）
Correct Answer: C
If m > 0 and n < 0, then m - n:
（A）is always positive. （B） is always negative. （C） is always zero. （D） cannot be zero, but can be any real number other than zero. （E） can be any real number.
Correct Answer: A
More ACT Math Exam Questions
Which of the following inequalities represents the graph shown below on the real number line?
In the figure below, lines p and q are parallel and angle measures are as marked. If it can be determined, what is the value of a?
- 3A rectangular lot that measures 150 ft by 200 ft is completely fenced. What is the approximate length, in feet, of the fence?
- 4If z ≠ 4 and z ≠ -4, then which of the following is equivalent to the expression
- 5Which of the following is equal to ?