You add 2x and 7x to get 9x
so the answer is 9x+5y
Answer:
3/10
Step-by-step explanation:there are 10 marbles all together three blue ones
Car B because 334 divided by 5= 41 mph
Answer:
1 17/42.
Step-by-step explanation:
Find the common denominator, which is 42.
So change -4 1/6 to -4 7/42.
And change 5 4/7 to 5 24/52.
So add -4 7/42 + 5 24/52 and you'll get: 1 17/42.
(The decimal form of this is 1.404762)