What are all the possible values of "A" and "B" that make the equation 12x+24=ax+b have no solution?

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

What is the range for 31,39,29,34,37,24,36,33,34,28

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )