If you're behind like I am and are just now doing these assignments then good luck on catching up.
If it's AQRB Unit 2 Lesson 3 then the answers to the multiple choice are below, you'll need to do the essay and calculation on your own.
1: $674.64
2: $26, 255.38
3: $191, 398.49
4: $23, 884.84
Answer:
311
Step-by-step explanation:
280 + 31 = 311
The whole number of minutes that Gianna complete each week as a function of x and y:

Since the above number is greater than 450 minutes, we get the inequality:

Also, "she can complete at most 10 workouts this week" so we deduce the inequality:

Therefore, the system of inequalities is the following:


The above system has many solutions, for example :
Answer: 8 textbooks
Step-by-step explanation:
Sold 40 notebooks = 40 x $4 = $160
$800 - $160 = $640 left to sell
$640/$80 (cost of textbook) = 8 textbooks need to be sold