Show how to solve the equation square root 2x + 1 -4 = -1 35 points!!! Please answer quickly I need the answers!

Name the most appropriate metric unit for each measurement

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 the equivalent fraction for the following fraction using 5 as the multiplier? 1/2