Sam worked on his science fair project for 1/4 hour on Friday and 1/2 hour on Saturday. What are four common denominators for the fractions? i know this but i need to know The common denominators are common ? of both ? and ?

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

Aline that intersects one of two parallel lines intersects the other also always sometimes never

Which expression gives the exact value of x?