The perimeter of an equilateral triangle is 6n - 15 . write an expression to represent the length of each side.

7x+8y=-18, 4x-9y=-3 solve the system of equations

4. bob solved the inequality problem below incorrectly. explain his error and redo the problem showing the correct answer. −2x + 5 < 17 −2x + 5-5 < 17-5 -2x/-2 < 12/-2 x < -6

Point b lies between points a and c on . let x represent the length of segment ab in inches. use the segment to complete the statements. the value of x is . the length of in inches is . the length of in inches is .