Two-fifths of a number is decreased by three. find the value of the expression if the number is twenty-five. a. 8.8 b. 13 c. 10 d. 7

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.

What is the y-intercept of the line with the equation 3x + 4y = 12?