Roberto is having his house painted. The job takes three days, and he pays the painter the same hourly rate every day. The cost of the job is in the chart below.
Day 1
Day 2 Day 3
Hours worked
5
4
6
Amount paid
$300
$240
$360
What is the painter's unit rate of change of dollars with respect to time; that is, how much is the painter paid for
one hour worked?
The unit rate of change is
dollars per hour.
Graph the proportional relationship described above, with the x-coordinate representing hours worked, and
the y-coordinate representing amount paid in dollars.
y
SO-

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.

Ineed with number 6 , explain how to get 1978

Examine the two-step equation. − 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality