Answer:
She wrapped 5 presents
Step-by-step explanation:
She used 2cm to wrap each present
8cm = 4x
x is the amount of presents
divide by 4
x= 2 cm
Given 10 cm, divide by 2 to determine amount of x, or presents
Answer:
<h3>
Bob walked faster than Ion.</h3>
Step-by-step explanation:
90/4=22.5
Ian - 1 mile in 22.5 minutes
2x60=120
60/2=30
120+30=150
150/7=21.43
Bob - 1 mile in 21.43
Answer:

Step-by-step explanation:
Standard form is basically where the degrees of the terms are in descending order.
First, let's distribute the negative sign to the terms in the second parentheses:

Now, we can just combine like terms with the terms from the first parentheses:

So, our answer is: 
B) Exponential. Because it keeps losing 20% of what the previous years amount was so it decreases by a smaller factor each year