The expression 10s + 5m represents a student's score on a social studies where s the number of correct short answer items and m =
the number of
correct multiple-choice items.
Noor answers 16 multiple-choice items correctly. She does not answer any short
answer items correctly. What is Noor's score? Show your work.

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

What is the factored form of the following expressions? d^2 – 13d + 36

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?