Barry read for 15 more minutes than robert.

the letter v represents the number of minutes that robert read.
which expression shows the number of minutes barry read?

a.
15v

b.
v ÷ 15

c.
v + 15

d.
v – 15

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

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