Triangle ABC is congruent to Triangle DEF with AB = 2x+6, and DE = 5x-12. What is the length of DE?

If Jake can do a job in 45 minutes and Bill can do the same job in 75 minutes how long will it take them to do the job together?

What would 8.9 be as a percent? (Sorry for all the percent questions)

5 (x - 10) = 10x + 7.5x + 15

Write an equation of a line through (5,6) and (-1,4)

This shows a part of a multiplication table. find the missing numbers 35 40 42

What is the inverse of g (x) = 1/x-1 and is it a function? 1/x + 1, yes 1/x, yes 1/x - 1, no 1/y - 1, no

A mixture of 17 %disinfectant solution is to be made from 10% and 20% disinfectant solution. How much of each solution should be used if 20 gallons of the 17% solution are needed?

The distance between city E and F is 678.35 miles and the distance between city F and G is 156.8 miles. What is the distance between city G and H if the total distance is 2,457 miles?

What percent of the payments made were due to interest for the months shown? a. 30.9% b. 32.6% c. 62.5% d. 63.4%

Here is a famous equation from geometry. c2 = a2 + b2 For which values of a and b will the value of c be a rational number? A. a = 1, b = 1 B. a = 2, b = 3 C. a = 3, b = 4 D. a = 4, b = 9