Answer:
4.5/2 which is 2.25
Step-by-step explanation:
Number 4 would be: C
And number 5 would be: C
Please Mark as Brainliest!!!
Answer:

Step-by-step explanation:
Explicit Geometric Formula: 
a₁ is 1st term
<em>r</em> is common ratio
<em>n</em> is term number
Step 1: Find common ratio <em>r</em>
r = 10/2 = 5
Step 2: Plug variables into formula

<h3>5:16</h3>
The ratio is supposed to be pennies to total amount of coins. The total amount of coins--including pennies--is 16. This can be proven by this equation:
5 + 6 + 5 = 16
Now you put the ratio together by taking the amount of pennies (5) and total amount of coins (16). Your ratio should look like this:
5:16
Hope I helped you out! ❤❤
Answer:
d, diameter
Step-by-step explanation:
radius is half of a diameter, or the distance from the center of the circle to the circumference
circle is a... circle
center is...