A dilation is a transformation that changes the size of a figure.
If the scale factor is k = 4:
( 2 , 4 ) → ( 2 · 4, 4 · 4 ) = ( 8, 16 )
The dilatation is an expansion when | k | > 1 ( 4 > 1 )
Answer: true.
13. a^2+7^2=15^2
a^2+49=225
-49=-49
a^2=176
a=13.266
14. 4 more girls chose soccer over softball.
15. I think it's a negative correlation or you have to find dots that can make a line
16. 3
I don’t get the question. Answer to the very first line is -64a^13
You first have to find the substotion for the vaules a and n. Then Add -25 plus 85 so you will get your answer