Answer:
You need to attach the picture of the angles
Let x be the amount invested at 7% and y the amount invested at 6%
We know that the yearly interest earned = 0.07(x) and 0.06(y)
x+y =4500
0.07x +0.06 y =290
Solving the equations will give , x = $2,000 and y=$2,500
Hello!
To find the area of a circle you do

Where r stands for radius.
The radius is just half the diameter
So you put that into a calculator and get 113.1

Hope this helps!
Answer:
Credit cards allows us to make purchases today and pay for them later. If it takes us longer than a month to pay off our balance then we will have to pay an extra fee in the form of a finance charge.
Since finance charges is the way of charging us by the credit card issuing authority for carrying a balance on our credit card and not paying it off completely at the end of each month.
Thus, the simple way to avoid finance charges is to not carry a balance and this can be done by paying off the carrying amount on the credit card at the end of each month.