Solve for x and y: 28x-49y=35 and 4x-7y=5

What is y=2-3x in standard form?

A new car sells for $30,000. The value of the car decreases by 16% annually. After how many years will the car be worth less than $10,000. a. after 2 years b. after 6 years c. after 8 years d. not enough information (answer c is incorrect)

Solve using quadratic formula 9x^2=4+7x

What is equivalent to: 2 (4x-5)

The age of a rock is determined by the function, A (t) = A 0 e - 0.000002t, where Isotope Q, with an initial value of A 0, decays at a constant rate 0.000002 per year, for a number of years (also known as the age of the rock), t.

A woman is plotting out a garden bed. She measures the diagonals of the bed and finds that one is 22 ft long and the other is 23 ft long. Could the garden bed be a rectangle? Explain.

Jenny saved 1/6 of her paycheck and saves 2/5 of the remaining amount. What fraction of her total paycheck is saved?

Number patterns 54, 18, 6, 2, 2/3, what are the next 2 terms?

The sales at a particular bookstore grew from $2104 million in 2000 to $3881 million in 2005. Find an exponential function to model the sales as a function of years since 2000. Give your answer using the form B = Boat.

Ok im going to fall asleep no cap