Answer:
Area is (x² - 9) units squared.
Step-by-step explanation:
• from difference of squares quadratic property:

→ a is x
→ b is 3
• Therefore:

Answer:
$35
Step-by-step explanation:
To do this you would just add the 2 prices together and you would get $34.53 and you would add 47 cents to that and you would get that Daniel gave $35 to the cashier.
30/150 = 80/x
Reduce the fraction:
1/5 = 80/x
Cross multiply:
x = 5 x 80
x= 400
Answer: 400 zebras.