Answer:
61%
Step-by-step explanation:
it's really simple just take the percentage of both numbers, 42% and 19% and add them together and whatever the sum is, is gonna be your answer!
The last one.
Step-by-step explanation: Because 1/2 divided by 4 = 1/8 and 1/2 x 4/1 = 2
0
1-1=0
It's common knowledge that 1-1=0 so I dont know how to explain it any further
look this question has already been answered
brainly.com/question/1556676
