Jennifer's movies are 70% comedies, she has 28 comedy movies. how many movies does she have in total?

What could explain what happened when the time was equal to 120 minutes

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).

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi