Sarah, Natasha and Richard share some sweets in the ratio 5:2:2. Sarah gets 21 more sweets than Richard. How many sweets does Natasha get?

Which of the following is the true for f(x) = 5cos

What is the factored form of the following expressions? d^2 – 13d + 36

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?