Matthew has been observing 10 bacteria in a petri dish for his science class. if the bacteria population doubles every 12 hours, how many bacteria will be in the dish after 2 full days?

a. 20 bacteria
b. 40 bacteria
c. 80 bacteria
d. 160 bacteria

What is the binomial expansion of (2x-3)^5

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?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.