12. Multistep A farmer needs to buy fertilizer for two fields. One field is shaped like a trapezoid, and the other is shaped like a triangle.
The trapezoidal field has bases that are 35 and 48 yards and a
height of 26 yards. The triangular field has the same height as
the trapezoidal field and a base of 39 yards. Each bag of fertilizer
covers 150 square yards. How many bags of fertilizer does the
farmer need to buy?

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

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.

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?