2r²+15r-50
hope this helps
If you use the distance formula you get 10.
Answer:
26x and -5x are like terms, so what you would do with these is 26x subtract -5x, which is 21x.
The final expression is:
The only pair of like terms in this expression is 26x and -5x.
Step-by-step explanation:
Step-by-step explanation:
If f = price of filing cabinet and c = price of cupboard we can make up the equation
2f + 4c = 800
we also know that f = 3c, so can substitute that into equation
2 (3c) + 4c = 800
6c + 4c = 800
10c = 800
c = 80
f = 240
