Write the following as a complex number in the form a + bi square root -245

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).

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

Does the point (1, sqrt 7) lie on circle shown.