Answer:
2750 x (1 - 0.21)ˣ
Step-by-step explanation:
Original: 2750
1st week after: 2750 x (1 - 0.21)
2nd weeks after: 2750 x (1 - 0.21) x (1 - 0.21) = 2750 x (1 - 0.21)²
x weeks after: 2750 x (1 - 0.21)ˣ
Answer:
$9.60
Step-by-step explanation:
3.20x3=9.60
Expand the left hand side:

Simplify the left hand side:

Subtract 79.99 from both side:

Divide both sides by 17:

So, he must invite less than 7 friend to the party.
Answer:
Step-by-step explanation:
To draw a graph of inequality, first of all you have to draw the graph of x = 2.
After that, you draw the area that represents the inequality as shown on the upload.
I believe the answer your looking for is b