Answer:
13.25 hours
Step-by-step explanation:
40x13.25+70=600
y=mx+b sdi c xc xx cx cx cxc xc 87
Answer: 6 cm,22.9 cm, 20.1 cm
c =3
4c = 12
Divide each side by 4
4c/4 =12/4
c = 3