5n + 11
The algebraic expression for eleven subtracted from X is: X - 11
11s + 3
It can be: 7x-11
Y + 11
x - 11
3 (11+6) It means eleven plus six which is seventeen and then times by three. Or if that isn't what you wanted maybe get rid of the three and add a cubed sign behind the bracket.
11 + 4.2 = 15.2
The expression is 15*11
b/12 - 11 = -5
It is an algebraic expression that can be simplified to: 3x-11
It is an algebraic expression because it does not contain an equality sign.
Because the "sum" of two or more numbers means the answer when the numbers are added together, your answer is simply: 11+k Unless k was assigned a value in the problem, this is your final answer. Because 11 and k aren't like terms (they don't have the same variable attached), you cannot add them together.
It is: 3*(11+6)
If you mean 11y+3 then there are two terms
(11 + 17)/(7 + 8)
The rule that generates the sequence is Un = 9 + 2n (for n = 1, 2, ...