Answer:
1.
9x²y -10x²y = -1x²y
2.
8w - 6w = 2w
Answer: 21
Step-by-step explanation: 21 because we have to round to the nearest minute, also known as a whole number. 21.333 can be rounded to 21 since 3 is less than 5.
A
Step-by-step explanation:
1847.26 yards cubed
V=πr^2h
π*49*12= 1847.26
Have a good day :)
100Answer: