Out of a total of 68 students, 25% had perfect attendance for the nine weeks. how many students is this?

Closing a credit card usually _your debt ratio. a. increasesb. decreasesc. improvesd. has no effect on

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).