Answer:
$68
Step-by-step explanation:
Answer:

Step-by-step explanation:
Using order of operations, the first thing to be calculated would be
.
That would turn our equation into this:

You can then calculate left-to-right as usual to get the answer 10.
Answer:
Step-by-step explanation:
it is important because if you don't then you will be charged more than what you are supposed to pay
Answer:
51
Step-by-step explanation:
11+(-7)^2-9 - original
11+49-9 - square the -7, since its in brackets the negative applies too and a negative x a negative = positive, so it ends up as 7x7+49
60-9 - add both positives 11+49=60
51 - subtract 9 from 60, 60-9=51
Answer:
two are correct: side ED is equal to DC, and ABCDE is a pentagon
Step-by-step explanation:
pentagon is a polygon having 5 sides
You can find the length of BC by using the distance formula