5 In 1980, the average cost, C, of having a book published by Priced For Inflation
Publishing Company was $800. In 2000, the cost was about $1800. Write a Linear
Function that represents the cost of tuition as a function of the number of years, t,
since 1980. Utilize your Function to predict the cost in 2020.*
(3 Points)
C(t) = 50t + 800; 2020 =
$2,800
t(C) = 50C + 800; 2020 =
$2,800
C (t) = 800t + 50; 2020 =
$780
C (t) = 800t + 50; 2020 = $850

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.

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?