6. A tourist agency in Kansas claims the mean daily cost of meals and lodging for a family of 4 traveling in the state is $201. You work for a consumer
protection advocate and want to test the claim. In a random sample of 35
families of 4 traveling in Kansas, the mean daily cost of meals and lodging is
$216 and the standard deviation is $30. Do you have enough evidence to
reject the agency's claim? a = 0,05

Can someone tell me if this is perpendicular? !

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 california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.

What is the expression equivalent to (3x^2-7)