Solve the following system of equations by linear combination: 3d – e = 7 d + e = 5 the solution is (3, 2). the solution is (2, –1). there is no solution. there are an infinite number of solutions.

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

What is the prime factorization of 195

What could explain what happened when the time was equal to 120 minutes