The temperature in Minsk was recorded over a period of four hours. The equation y= -5x + 54 describe the temperature over this time, where y is the temperature in degrees Fahrenheit and x is the number of hours since measurements started. Which of the following statements correctly describe the temperature? A.) it was -5 degrees Fahrenheit after 4 hours, and it is rising by 54 degrees per hour
B.) It was 54 degrees Fahrenheit after 4 hours, and it is dropping by 5 degrees per hour
C.) it was -5 degrees Fahrenheit when the temperature was first measured, and is rising by 54 degrees per hour
D.) it was 54 degrees Fahrenheit when the temperature was first measured, and it is dropping by 5 degrees per hour

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.

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars