9y - 5x = 20
or, (9y - 5x) / 20 = 1
or, 9/20 y - 1/4 x = 1
compare with x/a + y/b = 1
you'll get
x intercept (a) = -4
y intercept (b) = 20/9
Answer:
$35,000
Step-by-step explanation:
if $50,000 is to install an area of 1,000 square feet swimming pool and $35,000 can be used to install an 800 square foot swimming pool I think the best graph model is 800 square feet for $35,000 for a cost cut of $15,000 is a good bargain
Answer:
250 minutes with the flat rate of $29.
x would be the number of minutes called.
Tracy would be charged by $0.35 per minute.
Answer:
56.5
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Because -1/2 is not a whole number so b is the only answer left