Eleanor is on a diet. She has decided to limit her calorie intake to 2000 calories per day, and she enrolled in an aerobics class in order to get some extra exercise. She read that aerobics burns 400 calories each hour. Today for breakfast and lunch combined, she consumed 1300 calories; however, it was her boss' birthday, so they celebrated at work with an ice cream cake. The slice of cake she ate had 655 calories. Then, for dinner, she had 3 pieces of leftover pizza at 285 calories per piece. Calculate how many extra calories she consumed to determine how long she should stay at aerobics to burn off the extra calories. Show your work.

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Which function has the domain x> -11