Select all the correct answers. Which expressions are equivalent to the given expression?
√40

160^1/2
40^1/2
4√10
5√8
2√10

49xy +34y - 72z. determine the degree of the polynomial

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

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?