It has to be the first one
Answer:
-5.6
Step-by-step explanation:
first distribute the 2.5
also convert the 2/5 to decimal (0.4) because it's hard to work with both decimal and fraction
2.5y + 2.5*0.4 = -13
2.5y +1 = -13
y = -14/2.5 = -5.6
Solve the top, then solve the bottom, and divide the top by the bottom.
I believe it's cones, cylinders, and spheres, hope this really help, and good luck
Answer:
b. -3
Step-by-step explanation:
i hope this helps :)
