What is the solution to the system of equations below? -3x+ 9 and y = x-12
O (21, 2)
(21, -10)
0 (-21, 16)
О O (-21, -26)

b

step-by-step explanation:

calculate the scale factor as the ratio of corresponding sides, image to original, that is

scale factor = = = = 1

step-by-step :

b. 2 and 4

step-by-step explanation:

a.for lorena 14 hours makes $126   for 16 hours she makes 144

for julie 6 hours makes $72 for 21 hours its $252

b. julie makes more money than lorena julie makes $12 an hour and lorena makes $9  

.