The error happens in step 2 when the person decided to add 2+3 to get 5. The order of operations PEMDAS says that we have to do multiplication (M) before addition (A). So this is what the steps should look like:
2+3*(5+4)
2+3*9
2+27
29
The proper answer is 29
Answer:
2.25
Step-by-step explanation:
You have to subtract 2.13 from 4.38
Example: 4.38-2.13
The volume of a cylinder is equal to
, where r is the radius of the cylinder and h is its height.
324 = 
324 =
x 3.14 x
x 1
309.55 = 
r =
r = approx. 17.59 inches
I hope this answer helped you! If you have any questions, feel free to ask away.
Answer:

Step-by-step explanation:
Given


Required
Eliminate a
Multiply the first equation by -4

Add to the second equation

Solve brackets

Open bracket


At this point, a has been eliminated;
From the list of given options, the option that answers the question is 