What is the factors of 9 , 24 , 31 ,45 , 57

Acertain type of bacteria doubles in population every 6.5 hours. given that there are approximately 100 bateria to start with, how many bacteria will there be in a day and a half? ​

Atailor has 11 square yards of silk and 15 square yards of cotton. a suit requires 1 square yard of silk and a square yard of cotton. a gown requires 2square yards of silk and 3 square yards of cotton. if a suit earns a profit of p 3,000 pesos and gown earns a profit of 5,000 pesos, find the number of suits and gowns that give the maximum profit. what is the maximum profit.

Find the volume of the cone generated by revolving about y-axis the area bounded by the line 2x+y=2 and the coordinate axis a. π b. 1/3 π c. 2/3 π d. 2π