Hel me pleas If 6 - 7 = -1, which of the following is true? -1 + 7 = 6
-1 + (-7) = 6
7 - 6 = -1
7 - (-1) = 6

Find the length of the following tangent segments to the circles centered at o and o' whose radii are 5 and 3 respectively and the distance between o and o' is 12. what is the tangent segment of cd?

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

A10 inch cookie cake is divided into 8 slices. what is the area of 3 slices