Use substitution to solve the system of equations.
y = x + 1.75
4x – 2y = 4
(5.5, 4)
(3.75, 0)
(4,4)
(3.75, 5.5)

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.