Answer:105 thats with reducing to
Step-by-step explanation: 15(21/3)
then 15/1 x 21/3 then simplify
15 x 21 over 1 x 3 then simplify 315/3 then reduce then get 105 is your anwser
For A put 160 (division sign} 4.
For B put -40
Volume is 18 in cubed
3x2.25x8 and divide that by 3 gives u 18