12^2 + 5^2 = c^2
144+25=169
c=13m
Answer:
5x^2+5x-1
Step-by-step explanation:
-2x^2+9x-3+7x^2-4x+2=5x^2+5x-1
Answer:
Easy... its 39.4
Step-by-step explanation:
Cirumference is the lenght all the way around the circle
while radius is only half the circle so you just divide the cirumference by 2 to get half.
Answer:
-3
Step-by-step explanation:
Three subtracted by a square of a number. So, let's say the number is x. The square of it is
. So
-3 is three subtracted by a square of a number.
The answer is 2a+4
-2a -2(-2) +4a
-2a +4 +4a
-2a
=2a +4