8. At time t hours, there are 16^-2t bacteria of type A and 64^3t-1 bacteria of type B organisms in a sample. When will the number of each type of bacteria be equal?

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).

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents