What expression can be used to subtract 2/5 - 3/10 ? a.2/5 - 3/5 b.4/10 - 6/10 c.4/10 - 3/10 d.2/10 - 3/10 plz it is due tomorrow pls it is 50% of my score plz

Which is an equation for the nth terms of the sequence 12,15,18,21

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.