The numerator of a fraction is three less than the denominator. The sum of twice the fraction and the reciprocal of the fraction is 57 over 20. What is the fraction?

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

Find the commission on a $590.00 sale if the commission is 15%.

Corresponding angles are a. always b. sometimes c. never congruent