The doubling time of a population of flies is 4 hours. by what factor does the population increase in 24 hours

Pick the description of a geometric object that best matches the real world object box for a deck of card

Multiply. write your answer in simplest form. 3/8 x 5/7

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).