A rectangular pool is 30ft wide and 40 ft long. It is Surrounded on all four sides by a wooden deck that is x feet wide. The total area enclosed within the peremiter of the deck is 4200square
Feet . What is the width of the deck?

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.