Evaluate the following expression:

5z + 3n - z^3

n = 7

z = 1

25

Step-by-step explanation:

So first we'll input the numbers then since we have them.

5(1) + 3(7) - 1^3

So we're going to use the order of operations here first (PEMDAS) and start with the exponent because the parenthesis I used just represent multiplication. And 1 to the power of anything is still 1. Even 1^1000000000000000000000000000

It's still 1.

So now we have this:

5(1) + 3(7) - 1

Now we can multiply:

5 + 21 - 1

Then, add and subtract:

26 - 1

To get:

25

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.

28

step-by-step explanation:

because that's the answer