9.Huge bought x notebooks. Write an expression to model the cost of the notebooks Huge Bought
0 2.50x
O 25x
O 32x

,or

Step-by-step explanation:

All of the expressions are right, but I doubt that there's a notebook that costs 25 dollars or 32 dollars.

answer: the first one

step-by-step explanation: use a calculator and divide the minutes by the dollars.

the answer is:

the correct option:

b.

to solve the problem, we need to remember how to operate to simplify exponential expressions using the logarithms.

we are given the equation:

then, using placing logarith with base 7 on both sides of the equation, we have:

so, rounding the obtained result to two decimal places (nearest hundreth), we have:

hence, we have that the correct option:

b.

have a nice day!