4.)
5x+4y=-30
3x –9y=-18
What is the solution to this problem

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

Hannah has 5 more than twice the number of baseball cards that leo has. if leo has x cards, which expression shows the number of baseball cards hannah has?

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?