Answer:
c) 3
Step-by-step explanation:
22=2x2 +4
22-4
18=2x2
18/2
9=x2
x=3
Answer
Cut out the shapes, and then multiply them.
(1,3) is a solution.
the range is 5-8 hours
325+175t=1200
175t=875
875/175
t=5
325+175t=1725
175t=1400
1400/175
t=8