64 feet^2 because the area of a square is one side multiplied by itself, and 8 x 8 is 64
The roller coaster gains speed in the matter of time but then loses speed
50 cents, since $.99 would have to be divided into $.49.5 and it's usually rounded up
Answer:
His expected value is -2
Step-by-step explanation:
Five hundred raffle tickets are sold for $3 each
One prize of $500 is awarded.
Expected value =
Probability of winning =
If won the price he gets = 500
But he also paid $3 to buy ticket
So, the actual price he got = 500-3= 497
Probability of not winning =
So, Expected value=
=
Hence his expected value is -2