Answer:
2.5 plus 1.8 which equals 4.3
Step-by-step explanation:
this answer is correct because, in the question it say find the Total. Total means addition, so you add the numbers together to find this answer.
Answer:

Step-by-step explanation:
Remmeber:

If the "some number" is represented by m, then "some number cubed" is m^3. The product of that and 2 is 2m^3. Eight more than that product is
.. 8 +2m^3 . . . . . . . . upper-left selection
Answer:
f(-4) = - 16
Step-by-step explanation:
f(-4) = (-4)2 + 8(-4)
f(-4) = 16 + -32
f(-4) = - 16