Answer:
-4a + 7a = + 3a
But you don't actually need a pkus sign 3a is fine too. You are basically sum - 4 and 7. Let me know if you still confused.
Answer:
1/2 is the fraction and 50% is the percentage
Word phrase:
The probability of choosing a P (white) color band its a 50% chance.
sry if i did this wrong
To find median you set up the number least to greasiest and then cross each one out one side at a time until you get to the middle
Answer:
see below
Step-by-step explanation:
9 dollars / 33 lbs = .272727 dollars per lb
.39 / 1 lbs = .39 per lb
The large bag is less expensive