C. -7
Solve for n by simplifying both sides of the equation, then isolating the variable.
Answer:
$2.50 for quarters
$0.60
$3.10 hope this helps
Step-by-step explanation:
9 x 20 = 180
4(2x 2) = 16
180+16 = 196
answer
area of figure = 196
<span>Say the code only needed to be one number long. Going from 0-9, there are ten digits. Therefore, there are ten unique codes.
Now say the code has to be two numbers long. There are ten possibilities
for the first digit, 0-9. But the second digit only has nine
possibilities, since each number has to be different. (The first number
might be 0, so the second can only go from 1-9) For each of the first
ten possibilities, there are nine possibilities for the second. We
multiply those two numbers together, 10 * 9, and we get 90.
Now we just extend the logic. The third number only has eight
possibilities, while the fourth number only has seven. 10 * 9 * 8 * 7 =
5040 possible codes. I hope this helped! has a great day! :)</span>
Heyo!
(a - 6)2
Multiply each term in the parenthesis by 2
2a - 6 × 2
Multiply the numbers
Your answer is
2a - 12
