Given the system of equations:

12x+4y=60

3x+y=15

Use the substitution method to solve the system of equations. Is there a unique solution, no solution, or infinitely many solutions? You must show your work for full credit.

Rolex borrowed $3600 from a credit union for 6 months at ainterest rate of 10% per year. how much did he owe the credit union at the end of the 6 months

Find 40% of 28. Use a fraction

Find all solutions of e^ (e^z) = 1

the ratio of the ages of 3 children is 1:3:5. The oldest is 12 years older than the youngest how old is the middle child

The set of all y-coordinates is called the

What is the probability of the spinner landing on an odd number?

A pair of parallel lines is cut by a transversal, as shown: Which of the following best represents the relationship between angles x and y? x = 180 degrees - y y = 180 degrees - x x = y x = 2y

Round 6299 to the nearest thousand

If John pulls one marble out of the bag, what is the probability that it will not be red? That is, P (not red) ?

If a country's debt-to-gdp ratio is currently 15% and its debt is expected to grow from 2 trillion dollars to 3 trillion dollars in the next 5 years what will the country's GDP have to be in five years to maintain the current debt-to-gdp ratio