What is the radius of the circle whose equation is x squared + y squared =8

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes

∆red ≅ ∆ by rule will give brainiest if possible

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way