Find the value of b such that the system of equations

bx - 12y = 12
15x - 18y = -19

does not have a solution.

b=

70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70

$9.89

step-by-step explanation:

9.90 = p x .06 x .25 (3/12 changed to a decimal)

9.90 = p x 0.015

9.90 - 0.015 = p

9.89 = p

sadsdda

step-by-step explanation:

1/3 + 1/3 ≠ 2/6 because 1/3 alone = 2/6  

step by step explanation:

1/3 + 1/3 = 2/3       2/3=4/6