Which table shows a proportional relationship between x and y? A: x 3 6 9 12 15 y 4 10 16 22 28
B: x 12 14 16 18 20 y 6 12 18 24 30
C: x 4 8 12 16 20 y 2 4 8 14 20
D: 5 10 15 20 25 y 1 2 3 4 5

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.

Asequence is a function whose is the set of natural numbers