Which equation has no solution? A. 9x + 9 = 11r - 2x + 9
B. 7x + 30 = x + 6(x + 5)
C. 5x + 992r + 9 = 7
D. 7r6 = r + 6(x+5)

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?

What is the the greatest common factor ?