Silk cloth costs $17.50 per square meter. how much will 7.6 square meters of canvas cost?

7friends share 4 pizzas equally how much pizza did each friend get

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.