Which three lengths can NOT be the lengths of the sides of a triangle? 21 m, 6 m, 10 m 21 m, 6 m, 10 m 11 m, 11 m, 12 m 11 m, 11 m, 12 m 23 m, 17 m, 14 m 23 m, 17 m, 14 m 5 m, 7 m, 8 m

for the first question it would be the second answer for the second question it would be the third answer and for the third question it would be the first answer

step-by-step explanation:

the answer is d

for problems like this theres an app, its photomath that explains the problem and gives the answer hope i

i can answer this if i have the answer choices

step-by-step explanation:

to determine whether a given function is even, we simply substitute x with -x in the expression. if the result after simplification is identical to the original equation, then the function is said to be even other wise odd.

f(-x) = (-x)^2 - (-x) + 8

      = x^2 + x +8

the resulting function is not identical to the original one;

f(-x) ≠ f(x)

therefore, f(x) is not an even function