Match the situation to the correct expression.

the sum of n and 40

select the correct answer.

a)n + 40
b)40n
c)n - 40
d)40/n

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.

well what did you do it matters what you did : )

step-by-step explanation:

2,160 π

step-by-step explanation: