Find the center and radius of each.

1 - x^2+y^2=49

2 - x^2+y^2=324

3 - x^2 + (y+2) ^2=121

4 - (x+10) ^2 + (y+9) ^2=8

Richard and Carlin are brothers. Carlin is one year older that three timers Richards age. Carlin is 19 how old is Richard?

The Houston Rockets have a win to loss ratio of 6 to 1. So far this season, the Rockets have won 12 games. At this rate, if the Rockets win 18 more games during the season, how many games would you expect them to lose during the entire season?

1. In 2005, there were 100 rabbits in Polygon Park. The population increased by 11% each year. a. Write an exponential growth function that represents the population t years after 2005. b.

a slice is made parallel to the base of a square pyramid. what is the shape of the resulting two dimensional cross section

Find value of: cot^-1 (4) (inverse of cotangent). Give the reason of using cosine to evaluate.

Find the simple interest. principal = $10,400; rate = 12.5%; time = 11 years

Mr. Jackson ran 7/8 mile on Monday he ran 3/8 of a mile on Wednesday and 5/8 mile on Friday on witch day did Mr Jackson run the shortest distance

What is 0.2 reapted

In December, the total snowfall was 13.2 inches, which is more than the total snowfall in October and November, which was 3.7 inches and 6.15 inches, respectively. Write an inequality that relates the rational numbers.

Luna Ray has five orange picks and no green picks. You add some green picks so one in every three picks is orange. How many picks are there now?