The formula for the area of a circle is A = ar2 where A is the area ander is the radius. Estimate the area of a circle where it = 3.142 and r = 8.6 cm.

Is it true or false i’m trying to pass this test so i can leave school

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.

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account. write an expression to represent the total amount in his savings account.