They are (5, 7) because of you plug in 5 in place for x and 7 in place for y, you will see that they are true. For example, 5 + 7 = 12 and 5 - 7 = -2. :)
Answer:
Kendra needs 3 coins (1 coin of 25 cent & 2 coins of 1 cent) to add 27 cents in 73 cents to make 1 dollar
Step-by-step explanation:
Given :
Kendra has 73 cents
She need 1 dollar to by a ball
∴ She requires additional money = 
Standard Coins available are 50 cents , 25 cents, 10 cents, 5 cents and 1 cent.
To make 27 cents =
= 1 coin of 25 cent & 2 coins of 1 cent
Answer:
B
Step-by-step explanation:
Make a proportion.
x is the number of balloons sold each day.

Answer:-1
Step-by-step explanation:I't is the most reasonable answer
(P.S. I just took the quiz and i got it right.So you guys should trust me.)