The range of the function f(k) = k2 + 2k + 1 is {25, 64}. what is the function’s domain?

{5, 8}

{-5, -8}

{3, 8}

{4, 7}

{4, 8}

Una caja de galletas contiene 16 paquetes y cada una de estas tiene 12 galletas y se quieren repartir entre 6 niños ¿de cuantas galletas le toca a cada niño?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?