Suppose that 30% of students prefer to write with a mechanical pencil. suppose we sample students, one at a time, and stop as soon as we have selected one who prefers to write with a mechanical pencil. the probability that we will select 2 or fewer students is

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

Eiko is wearing a magic ring that increases the power of her healing spell by 30%30\%30%30, percent. without the ring, her healing spell restores health points. which of the following expressions could represent how many health points the spell restores when eiko is wearing the magic ring?

Nani needs to buy 8 cups of fresh pineapple for a fruitcocktail. the table shows the unit prices (per cup) ofpineapple at different stores. if nani only has $4, fromwhich stores could she purchase her pineapple? check all that apply.