Question

Evaluate the expression for r = 2 and t = 7.


3(r2 + t) - r2
Select one of the options below as your answer:
A. 30
B. 29
C. 21
D. 15

Answer 1

if you cant do it on paper; try a calculator; this is just straight forward number crunching

Answer 2

....(r^2 + t).......

..3(A)........

...A - r^2....

Answer 3

so wats the answer lol we aint got no calculators lol

Answer 4

you got a computer :) and apparently the world wide web at your disposal right?

And the way we used to do it back in my day was to get a pencil and paper and solve it ;)