The time (in minutes) that it takes a mechanic to change oil has an exponential distribution with mean 20.(a) find p(x < 25), p(x> 15), and p( 15 < x < 25)
(b) find the 40th percentile.

3.how is solving radical equations different than solving linear equations?

step-by-step explanation:

step-by-step explanation:

there are 36 inches in a yard

25 : 36 = 0.69 yards (you can round to 0.70)

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

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