Bob needs to buy a cover for his above ground pool. The pool is in the shape of a
circle and has a diameter of 18 feet. Pool
covers cost $0.75 per square foot. How much
should Bob expect to spend on a pool
cover?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a. m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?

Abcd is reflected across the x- axis, then rotated 90 clockwise about the orgin, and finally reflected across the line y= x to form a’ b’ c’ .