Answer:
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Step-by-step explanation:
ok
Remember you can do anything to an eqution as long as you do it to both sides
easy
first one
flat rate+variable rate=amount paid
flat rate=35
variable=15 times hours, so if h=hours then
and amount paied is 95
35+15h=95 is da equation
if we solve
mins 35 both sides and divide both sides by 15
h=4
2nd one
add 5 to both sides and times 4 both sides
c/4=9
c=36
3rd photo
add 6 to both sides
y+6-6≥12+6
y+0≥18
y≥18
if you put them into desmos (online website) it will put them all into a graph and do it for you :)
This is the answer simplified into the most specific terms