solve for x when c-b=1 (hint you know what c and b are equal to so you can substitute both out in c-b=1) make sure you explain any extraneous answers. pythagorean theorem

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).

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Atemperature of 1.64◦f corresponds to answer in units of ◦c.