Sophia spent $7.30 for school supplies. she spent $3.00 for a notebook and $1.75 for a pen she also bought 3 large erasers of each eraser had the same cost how much did she spend for each eraser?
fast

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Anyone know? will mark brainliest if you're correct!

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.