Aspherical balloon is being inflated and the radius of the balloon is increasing at a rate of 10 cm/s. (
a. express the radius r of the balloon as a function of the time t (in seconds).

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

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?

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer