Sum of two numbers 80 and difference is 40. Find two
numbers.

The two numbers are 20 and 60

Step-by-step explanation:

Two numbers: x and y

x + y = 80

x - y = 40

x = y + 40

Substitute x

y + 40 + y = 80

2y + 40 = 80

2y = 40

y = 20

Substitute y, so x = 60

definition: a circle is the  set of all points in a plane that are equidistant  from a given  point  called the center of the circle. we use the symbol ⊙ to represent a circle. the a line segment from the center of the circle to  any point  on the circle is a radius of the circle.

step-by-step explanation:

i googled it and this is what i got i don't know how it is. sorry.

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step-by-step explanation:

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