Answer:
yes 6 (7) + 2 (3²) = 60
Step-by-step explanation:
60 = 60
So in matt's equation, he made a mistake in the a transision from line 2 to line 3
in line 2: -4(-2)2
in line 3: -4(4)
the mistake is that -2 times 2 is not equal +4 it is equal to -4
also from lines 5 to 6 he made a mistake in order of opperations (mulit division then addition and subtract)
line 5: -10+30/5
line 6: 20/5
so he first subtracted 10 then divided, he should have divided then subtracted
so the equation should have equaled
Karen used the correct (-) times (+) property and the order of operations
so Karen is correct and Matt is wrong.
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
Rationalize the denominator of b. So, multiply the numerator and denominator by 
Now, find a +b
Combine like terms
Now find (a + b)²
(a +b)² = 
Hint: 
In Sunday she babysits 1 hour and 23 minutes,in Saturday she babysit 1 hour and 39 minutes.In total it’s 3 hours and 12 minutes.
