Answer:
Check photo
Step-by-step explanation:
It is is important to be really careful with negative signs, which is why I multiple the last two expressions together and then multiple through with the negative. It makes it a lot easier.
Answer:
x = 17
Step-by-step explanation:
x + 73 = 90
x = 90 - 73
x = 17
Answer:
-32
Step-by-step explanation:
f(x) = 2x + 6
f(-19) = 2*(-19) + 6
= -38 + 6
= -32
Answer:
first you multiply the boxes and how much are in the boxes then you have that answer and you divide it by 8
I have no idea. I'm sorry I havne'nt work on this stuff since 6th grade..