Answer:
In PEMDAS the E stands for exponents so if you see a problem with exponents and there is no parentheses you would just do exponents first.
Step-by-step explanation:
PLZ MARK BRAINLIEST if not that's fine (:
 
        
             
        
        
        
Here's how to figure out this problem: add up all the numbers in the mark category and divide by the # of numbers there are.
So....
6 + 7 + 8 + 9 + 10 ÷ 5 = 8
8 is your final answer.
        
             
        
        
        
Area =  the top semicircle + the rectangle AEBD
= 1/2 pi*6^2 + 6*12  =  128.55 cm^2 to nearest 100th
Perimeter = 6pi + 12 + 2 pi * 3 = 49.70 cm
        
             
        
        
        
Answer:
$1.80
Step-by-step explanation:
4x = 7.20
x = 1.80
 
        
             
        
        
        
I have no idea how to do this problem i dont know what a is