A farmer had a total of 995 horses and cows. After selling some of the horses and cows, he had 510 horses and 390 cows left. How many horses and cows did he sell altogether?

2x + 4y + z = 3 x - 2y - 3z = 4 x + y - z = - 1

7y plus 8 equals 57 then 2y equals?

Find the value of x for the following equivalent functions: f (x) = 2x^2-3x+4 and f (x) = 2x^2-1

solve the equation by finding the missing variable. 3/2 (x + 4/3) = 11

Which of the following statement are false? A) 5/9 can be shown as equivalent to an improper fraction. B) 8/2 can be simplified as a whole number. C) 1 1/3 can be shown as equivalent to an improper fraction.

Suppose y varies with x, and y=14 when x=-4. what is the value of y when x=-6

The table below shows the relationship between the number of hours Nina worked and the number of hours Kathy worked.

Determine all of the roots (or zeros) 4x^3-4x^2-11x+6=0 if 2 is known to be one of the roots

In a small town there are two main sections called the Hill section and the Lake section. The town has a population of 4298. The number of people who live in the Hill section is 188 more than twice the number of people who live in the Lake section.

Two accounts each begin with a deposit of $5000. Both accounts have rates of 5.7 %, but one account compounds interest once a year while the other account compounds interest continuously.