Answer:
A=616cm²
Step-by-step explanation:
The question says to use

for pi, now that we know that we proceed like normal and do the formula like this.

Answer:
Y = 6 I’m pretty sure if its not 6 it’s -6
Step-by-step explanation:
Answer:
3 or 6/2
Step-by-step explanation:
when there are two subtraction signs it can be taken as a plus sign
1/2 + 5/2
1/2 + 5/2 = 6/2
6 / 2 = 3
3 is your answer
Answer:
5a + (-6a) + (-2b) + 2b + (-3) = -a -3 or -(a + 3) so first answer is correct because -(a + 3) is the same as -(3 + a)
Step-by-step explanation: