Answer:
Taking the square root is the opposite of squaring
Step-by-step explanation:
Answer:
-15
Step-by-step explanation:
Simplify
-49/7= -7
-64/8 = -8
Dividing a negative by a positive gives a negative.
(-7) + (-8) = -15
Answer: A. 30
Step-by-step explanation:
The formula for the area of a circle is pi*r^2, where r is the radius of the circle.
900pi = pi*r^2
Divide both sides by pi.
900 = r^2
Square root both sides.
r = +/- 30.
Since the radius cannot be negative, the answer is 30 units.
Answer:
(-1,3)
Step-by-step explanation:
count 9 up
