Petra practiced her clarinet 2/4 of an hour on Tuesday, 2/4 of an hour on Thursday, and 1/4 of an hour on Saturday. How many hours did Petra practice her clarinet on those days.

Find an equation of the line perpendicular to the graph.

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.

The graph shows the distance kerri drives on a trip. what is kerri's speed . a. 25 b.75 c.60 d.50