I think 12 might be the second one, I'm not sure though!
The number of terms in the binomial expansion of (3x-5)^9 is 10
Step-by-step explanation:
Because this is a right triangle and it is given that one angle is 45 than also the ather angle is 45 so this triangle has 2 equal sides.So also the ather side is 6 .
Hypotenuse can be found by pythagorean theorem
6^2+6^2=x^2
36+36=x^2
x=√72
Explanation
when you have two lines in a graph, the solution is the point where the line intersect each other, so to solve this we need to find that point
so, the answer is

I hope this helps you
Answer:
480 pennies dated after 2000.
Step-by-step explanation:
1. Pennies dated before 1980 (x) - 25%,
All pennies (1,200) - 100%.
Then

2. Pennies dated from 1980 to 2000 (y) - 35%,
All pennies (1,200) - 100%.
Then

3. Rest pennies are dated after 2000, then
