Hi. I need help with these questions.
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Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?