2lines form intersecting at a right angle a. form a line b. are parallel b. are perpendicular c. form a ray

What is this inequality notation? t is less then or equal to 2

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.

Write the equation in logarithmic form e^x=403.429