A
x=y^2-9
x+9=y^2
square root both sides
+-sqrt(x+9)
Answer:
15 installments
Step-by-step explanation:
3900 = Σ
400 - 20*(n - 1)
Answer: B
Step-by-step explanation:
An equation is y=mx+b for regular equation stander form. C would automatically be eliminated that leaves you with A and B... a you don't have a y intercept so you would start at zero.
You have to pay an entrance fee plus any other souvenirs you would want. so the entrance fee would be the y intercept in "B"
Answer:
for 7 fabric (square meters), he can make 2 cloaks. for 4 cloaks, he needs 14 fabric (square meters).