Expand the following logs:

show all work.

.

Step-by-step explanation:

The given logarithmic expression is .

We rewrite the radical as an exponent to obtain;

.

Recall that;

We apply this rule to obtain;

.

We now use the rule:

This implies that;

.

We again apply:

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saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.