If x = -5, then |x - 7| =
Answer(s): E
Remember that absolute value is the distance from zero on a real number line, and therefore cannot be zero.
Solve and simplify: 2/3 x 3/5 x 5/10 x 6/8 =
Answer(s): C
Fractions are multiplied by multiplying numerators by numerators and denominators by denominators. Some of the fractions in this problem can be simplified.
If Dave drives at a steady speed of 50 miles per hour, how long will it take him to drive 10 miles?
Since there are 60 minutes in an hour, this problem can be solved with the following equation: 50/60 = 10/x
John will be x in 7 years. How old was he last year?
Answer(s): D
The target age can be found by subtracting first seven and then one year from x.
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