Which expression are a factor of -48xyz - 24xy + 40xyz a. 4 b. 24 c. 3x d. 8y e. 2xy f. 6xy g. xyz

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?

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries

Can someone tell me if this is perpendicular? !