Who wants to talk? Free bainlist + points

Bring the fraction a/a-4 to a denominator of 16-a^2

Lisette takes an ela exam and got 16 out of 27 questions correct. what percentage of the questions did lisette get correct?

According to a survey by the beach lifeguards, there is a 25% chance that surfers will see a dolphin while surfing. which simulation could you use to answer questions about whether a surfer will see a dolphin?