Ishould know this, but i'm really stumped, i keep getting different answers.

z ÷ 4 – 8z + 2(z – 5) when z = 12

Atriangle includes one angle that 72º. which pair could be the measures of the other two angles of the triangle? a. 9º, 9º b. 26º, 46º c. 53º, 55º d. 72º, 108º

You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?

If i had 1234 apples and 1 banana what is the total amount