-7 & 7! The square root is basically one number that is multiplied by itself, in this case, 7*7=49 -7*-7 also equals 49, since a negative times a negative equals a positive.
Answer:
Yes, SAS theorem. Angle ACB and Angle ECD are congruent because of the vertical angles theorem.
Step-by-step explanation:
2.5685168 rounded to the hundredths place is 2.57
Example:
5w - five apples
8 - eight strawberries
5w + 8 = (five apples) + (eight strawberries) = 13 of what?
You can add only numbers of the same fruits.