Use your knowledge about parentheses and substitution to solve the following: 1. r(s)(t) =

2. (r)(s)(t)(x)(y) =

3. (7x + 2Y) =

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.