One of the byproducts of nuclear power generation is uranium-233. uranium is decaying at a constant 32% rate per day. if 12,880 pounds are produced from a power plant, what will the amount be in 20 days?

a 21.4009
b 644.208
c 6955.200
d 8243.563

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

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?

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?