Answer:
C
Step-by-step explanation:
A and c are parallel
B and d are parallel
A and c are intersecting
Pascal's triangle up to the 5th iteration is

This tells us

so the second term in the expansion is

Answer:

Step-by-step explanation:
We know that,

Accordingly,

Let his total money be x.
He spent (3/7)*x of his money.
He gave 1/4(x-3/7x) to his sister.
which is : (1/4)*(4/7)*x = (1/7)*x
Now,
How much money he have in the beginning =
(3/7)*x+(1/7)*x+120=x
(4/7)*x+120=x
120=x-(4/7)*x
120=(3/7)*x
x=120*7/3 [cross multiplication]
x=280.
So, Alex had $280 in the beginning.
Answer: it is the amount of money by the amount of time worked will get u 10 dollares every hour
Step-by-step explanation: