Answer:
b=-0.8
Step-by-step explanation:
90-b=90.8
b=90-90.8
b=-0.8
Answer:

Step-by-step explanation:
We are given:

First, by the quotient property:

Since they both have the same base, their exponents must be equivalent:

Solve for x. Simplify:

Therefore:

3 in the first question 4 on the last question!!!
Answer:
a=18-3 and b=32÷8
Step-by-step explanation:
the first one