Ihave to evaluate r(2) & im lost at this point how do i finish this i got the answer -194, -10, and -206 but those are all wrong

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

How to use order of operation in 20 divide by 4 multiply 5 = 1