*looks at question for a while* .....
OH !
If you lived in Great Britain and you wanted to buy one Euro it would cost LESS THAN A POUND .
The average rate of change between March 15 and June 15 will be given by:
(82.4-66.8)/(6-3)
=15.6/3
=5.2° F per month
Answer: C
Any number to the power 0 is 1.
So 10^0 = 1
There are 13 total hearts in the deck, which leaves 39 non-hearts. You're drawing a hand of five cards, so the probability of getting exactly 3 hearts is

as required.