Answer:
114°
Step-by-step explanation:
<A=<B (corresponding angles)
6x+12=3x+63
6x-3x=63-12
3x=51
Dividing both sides by 3
x=17
Now
<A=6x+12
=6(17)+12
=102+12
=114°
Answer: 14,658,134,400
<u>Step-by-step explanation:</u>
There are 52 numbers to start with. After choosing the first number, there are 51 numbers remaining, etc.
1st and 2nd and 3rd and 4th and 5th and 6th
52 x 51 x 50 x 49 x 48 x 47 = 14,658,134,400
You can also find the answer using the following formula:

Answer:
The shirt cost $10 since 20% of 10 is 2 resulting in the $8 final cost
Step-by-step explanation:
The total number of books is the sum of the chapter books and picture books, 11+7 =18
Thus 18 is the total number of books
If she gave away 1/3 of the books, 6 books were given away as 1/3 of 18 is 6
=> Ella gave 6 books to her cousin
Answer:
True
Step-by-step explanation:
A parallelogram is a quadrilateral with 4 sides and both pairs of opposite sides are equal.