Danny has an unknown number of used cars at his business. He buys 327 more and figures out he now has a
total of 745. Write an equation to solve this scenario
using "c" for the unknown number of used cars. Then
solve the equation for c.

What is the missing constant term in the perfect square that starts with x^2 -20x

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).

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.