44 nickels because you just add 5 intill you get 220
Answer:
3): 14
Step-by-step explanation:
The problem states that ABC and DEF are similar. Therefore, dsue to similar triangles, we have 7x/7=4/x, so x^2=4. Therefore, x=2 (because x cannot be negative). Therefore, AB = 7x = 7*2=14
Answer:
rational
Step-by-step explanation:
the equation above would be -10 making it an integer
integers are rational
Answer:
21
Step-by-step explanation:
