The graph of the equation y = x2 + 3x - 7 is shown below. Which of the following e yato one has solutions that all lie between the solutions of the given graph?

a) x^2 + 4x - 5 = 0
b) x(x-4) = 0
c) x^2 + x - 2 =0
d) x^2 = 9

What's the difference between: x≥0 and nonnegative integer. ?

Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.