Concrete is made by mixing screenings, cement and sand in the ratio 3:1:15. How much sand would be needed to make 125 tonnes of concrete?

Which statement best explains why ben uses the width hi to create the arc at j from point k

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?

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?