Find the missing side. Round your answer to the nearest tenth. help

Ihave a 69 and an 82. the 69 is worth 40% of my grade and the 82 is worth 15%. can someone tell me my current average grade.

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show