4. It takes one pipe 10 minutes to fill a tank with water. It takes a second tank 15 minutes to fill the tank. With both pipes open and the tank
empty, how long will it take to fill the tank?

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Jo divides a candy bar into eight equal pieces for her children to share she gives three pieces to sam three pieces to leslie and two pieces to margie rose the two month old baby does it doesn't get any what fraction shows how muchw candy each of the four children got. what's the answer to my question

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?