Your mother gave you $13.32 with which to buy a present. This covered 35 of the cost. How much did the present cost?

Write 5 numbers that round to 740 when rounded to the nearest 10

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the