Suppose a countrys population in 1980 is 210 million. In 1990 it was 225 million using the A = 210 million if t=0 in 1980 find the value of t in 1990

How many obtuse or right angles does a hexagon have

The weather in a certain locale consists of alternating wet and dry spells. Suppose that the number of days in each rainy spell is a Poisson distribution with mean 2, and that a dry spell follows a geometric distribution with mean 7.

5x-2y=14. Covert from standard form to slope interceptecept

350/27 in simplest form

Direct Variation: If y=9 when x=3/2, find y when x=1.

To which pplace value is the following number rounded? 5.927 to 5.93

How many two digit whole numbers are increased by 18 when their digits are reversed?

How to solve? -21w (w-26)

Probability that Garrick is certified = 25 Probability that Molly has not had an accident = 71.87 Probability that Ryan is both certified and has never had an accident =

Joyce lost 26 lbs on her diet. During vacation she gained 4 lbs. How much was her overall loss?