An art store says that 30% of customers who enter buy something. 3 independent customers enter the store.
1).What is the probability that All 3 buy something?
2.) what is the probability at least 2 people buy something

Let r = 3. what is the value of r + 58?

Brent needs to paint a logo made using two right triangles. the dimensions of the logo are shown below. what is the difference between the area of the large triangle and the area of the small triangle? (1 point) select one: a. 4.5 cm2 b. 8.5 cm2 c. 16.5 cm2 d. 33.0 cm2

Which statement accurately explains whether a reflection over the y axis and a 270° counterclockwise rotation would map figure acb onto itself?