Which expression shows 18 + 15 written as a product of two factors? 3(6+5)
6(3+5)
3(9+5)
6(3+2)

Pls help

Me. i can't figure out this question. give an explanation too. .

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.