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

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

amistre64 · Answer

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

amistre64 · Answer

....(r^2 + t).......

..3(A)........

...A - r^2....

anonymous · Answer

so wats the answer lol we aint got no calculators lol

amistre64 · Answer

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 ;)