Which equation means that 7 less than twice a number is -1?

What number should be added to both sides of the equation to complete this square? x^2-10x=7

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 result of converting 60 ounces to pounds remember there are 16 ounces in a pound