A. AAS
B. SAS
C. ASA
Just look at what order they come in. Lmk if you need further help.
9 because if you change 1 and 4/5 to an improper fraction and you’ll get 9/5. If you multiply 1/5 by 9 you’ll get 9/5.
You can make 11 batches of brownies. Divide 8.5 (8 1/2) by .75(3/4)
Would be the last answer because (n-3)times (n-3) is n^2-6n+9
A door alarm works in 72 out of 100 cases.
surveillance camera works in 68 out of 100 cases.
The probability that method A is used = 72/100
The probability that method B is used = 68/100
Since both method are used we find the probability of A and B
Probability ( A and B) =
* 
=