Answer:
the area of the circle depends on the square of the radius. Because half of the circle is called radius. So multiplying the radius by two gives us the full circle
Answer:
Step-by-step explanation:
c makes the most sense.
3^x + 3^2 = 90
Simplify the known power:
3^x + 9 = 90
Subtract 9 from both sides:
3^x = 81
Take the cubic root of both sides:
X = 4
Answer:
The answer is the first option
Step-by-step explanation:
Answer:
Step-by-step explanation:
20% off...and she saves $13
so 20% of what number is 13
0.20x = 13
x = 13/0.20
x = 65 <== original price
