Answer:
B
Step-by-step explanation:
p(x) = r(x) * s(x)
= (x + 5) *(-7) {Use distributive property}
= x * -7 + 5 * -7
= - 7x - 35
Answer:

Step-by-step explanation:
For this case we have the following profit function:

And we are interested on find the profit after selling 700 pretzels, so we just need to replace X=700 into the profit function like this:

The profit function is on the figure attached. We see that for 0<X<217 we have negative profits, and for X>217 we will have positive values for the profit. And also we can see that for X=700 we have a profit of approximately 169.
Step-by-step explanation:
Convert the given value in cm into feet and inches.
<u>Use the unit rates:</u>
- 1 foot = 30.48 cm
- 1 inch = 2.54 cm
<u>Convert:</u>
- 170 cm = 170/30.48 feet = 5.58 feet (rounded)
- 170 cm = 170/2.54 inches = 66.93 inches
or
- 170 cm = 5 feet and 17.6 cm = 5 feet and 7 inches (rounded)