Answer:
30
Step-by-step explanation:

Answer:
what?
Step-by-step explanation:
Answer:
-34b4
Step-by-step explanation:
Since the variables are the same b4, you just add the constants (-16 & -18).
10x10x10x10, you have to multiply 10 by 10 four times, since it's 10 to the power of 4.
Answer:
x=-5
Step-by-step explanation:
-3x+25=40. You want to isolate x so you have to subtract 25 from both sides. -3x=15. We then want x to be isolated so we have to divide both sides by -3 to make x by itself. x=-5. Therefore, x=-5.
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