Line ab contains points a (1, 2) and b (−2, 6). the slope of line ab is (4 points)

a
zero

b
undefined

c
positive

d
negative

The diameter of a table is 5 feet. what is the circumference

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

The ratios of boys to girls on a soccer league is 2: 5. if there are 28 boys, how many girls are playing soccer? extra points! will mark as brainiest asap