What is the formula for calculating square root? don't define it, i already know what it means. you!

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

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

10x − 5y + 14 = 0 whats the answer pls