How many solutions does this equation have? y=2x+1
y=-2x+1

a. one solution
b. no solution
c. infinite solutions

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

The distributive property allows you to say that 3(x − 1) = 3x −

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?