Find the exact area of the circle with the given diameter.

d = 2.2 m

a.

1.21π m²

b.

2.2π m²

c.

4.4π m²

d.

4.84π m²

Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.