Hello This is pretty Easy But i forgot the basics

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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.

What is always true when two whole numbers are subtracted?