If you wanted to find the difference of 6/25-4/5 what common denominator should you choose and why?

Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse