Solve algebraically the simultaneous equations x^2 + y^2 = 25
y = 2x - 2

Give your final pairs of values in the form,
x = , y = , and x = , y =

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Javier bought a painting for $150. each year, the painting's value increases by a factor of 1.15. which expression gives the painting's value after 77 years?

Milk and ice cream are mixed together for a recipe. the total volume of the mixture is 1 cup. if the milk contains 2% fat, the cream contains 18% fat ,and the mixture contains 6% fat ,how much cream is in the mixture