Rationalize the denominator. write it in simplest terms

3

√12x

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).

Does anyone know how to do geometryme with this problem

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup