10. Flora rented a space at the flea market. Her space included electricity.

Booth Space
each day:$25

Electricity:$2

Which expression gives the total cost of
the day's rental if she used h hours of
electricity?

A. 25-2h
B. 25 + 2h
C.(25+2) x h
D. 25h+2

It is D

Step-by-step explanation:

I am not exactly sure how to explain but i'll try.

The 2 dollars is added to her price, so it is not A.

The 25 dollars is every day, so it is mutlipled by x. So its not B.

The 2 dollars is not everyday like the 25 dollars, so its not C b/c its not everyday.

80 the answer is 80

step-by-step explanation:

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,