19. A car is traveling with a constant speed of 80 kilometers per hour. Consider the variables of time (), measured in hours, and the distance traveled (d), measured in kilometers.
a. Fill in the table.
t (hours)
0
1
2
3
4
5
6
d (km)
b. Plot the points on the coordinate grid.
c. Write an equation that relates t and d.
d
500
400
d. Which of the two variables is the independent variable?
300
-200
1001
0

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Give me the equations of two lines that have the same slope but are not parallel.

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total