Answer:
It will increase by 12 every week, 57 is just what she already had, or in slope-intercept form, 57 is b
Step-by-step explanation:
The formula for this is

. Filling in accordingly,

. This simplifies to

and 36=6x. Therefore, x = 6 so the bases are 6 and 12.
Answer:
1600
Step-by-step explanation:
0.3% of 1600 will result to 4.8
It would end up being 2 dollars and 45 cents
Answer:
350$ for dryer
Step-by-step explanation:
x = cost of dryer
x + 50 = cost of washer
750 = x + (x + 50)
750 = 2x + 50
700 = 2x
350 = x