Adriana baked 42 cookies with 7 scoops of flour. With 8 scoops of flour, how many cookies can Adriana bake? Solve using unit rates

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length