What is the range of the function y = x2? all real numbers x ≥ 0 y ≥ 0

Acircle has the equation (x-2)^2 +y^2 =5. what are the coordinates of the circle's center?

Classify the following triangle check all that apply

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day