On a map 2 centimeters represents 150 kilometers if a line between two cities measures 5 centimeters how many kilometer apart are they

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?