ILL MARK BRAINLIST FIRST ANSWER!! How many solutions does this system have?

5 x minus y = 3. 2
y = 10 x + 2.

A. one
B. two
C. an infinite number
D. no solution

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?