Answer:
B.56
Step-by-step explanation:
80x0.70 is 56
a. m=3
b. m= -1/4
c. m= 0.25
d. m= 7
y=mx+b
cm for centimeters, km for kilometers.
If 2.5cm → 15 km, then
17.5 cm → x km
x= (15km*17.5cm)/(2.5cm)=105 km
V = 272.3 cube units
The surface area is 418.34 square units