On the first play of a football game, the team lost 7 yards. On the next play they gained 12 yards. What was the total change in yards

Total change in yards = 5

Step-by-step explanation:

Whenever a question refers to a change or difference, the way to answer that, in most cases, is to subtract. So, in this case, we need to minus 7 from 12 to find the change in yards.

12 - 7 = 5

The answer is positive, since the difference shows that the game gained 5 points.

Total change in yards = 5

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where is the image?

step-by-step explanation:

center (1,3) with radius 6

step-by-step explanation:

we must complete the square to find the center and radius of the circle.

first make sure the x and y squared terms have 1 as their coefficients. we also make sure x and y terms together.

we now create space between the x and y terms with parenthesis.

we complete the square by taking the middle terms -2x and the -6y - divide each and square them.

we add the squares to both sides.

simplify.

and write the quadratics in factored form.

the center is (h,k) or (1,3). the radius is the square root of 36 which is 6.