Me with the following questions. in advance!

Step-by-step explanation:

For #6, first use the rule to "undo" the division.  That rule is subtraction:

Now "undo" the multiplication with addition:

The last rule is to pull down the exponent to the front:

For #7, begin by setting each expression equal to x, what we are solving for.

Writing this as an exponent:

Take the natural log of both sides:

Following the same rule as above, we can pull the x down front:

x ln(4)= ln(18)

To solve for x, just divide both sides by ln(4) to get that

x = 2.08

Do the same thing for 7b.

and

and

and

and divide both sides by ln(1/2) to get that

x = -6.21

7.3

step-by-step explanation: