Answer:
9b+1
Step-by-step explanation:
combine like terms
7b-1b+3b=9b
Here are solutions and answers for these problems
Answer:
3 3/5
Step-by-step explanation:
9/1*2/5=18/5
=3 3/5
−1/3⋅(8 1/7)
change 8 1/7 to an improper fraction
8 1/7 = (7*8 +1)/7 = 57/7
-1/3 * 57/7
-57/21
21 goes into 57 2 times with 15 left over
-2 15/21
divide top and bottom of the fraction by 3
-2 5/7
Choice B