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Mathematics 13 Online
OpenStudy (anonymous):

Evaluate the following expression using the values given: Find 2r2 + 3s3 - r2 + 4t2 - r2 if r = -2, s = -3, and t = 5.

Nnesha (nnesha):

replace s by -3 and t by 5

Nnesha (nnesha):

2nd step) take square 3rd) distribute 4th) combine like terms 5th) gO_Od to go!

OpenStudy (anonymous):

the choices are -19, -37, 27, and 19. I can't seem to get any of those.

Nnesha (nnesha):

okay show ur work plz so i can look over maybe there is mistake :-)

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