Answer:
14.a
15.c
16.d
Step-by-step explanation:
i choose these because they are in the geometry book
To know if a dilation is an expansion ( bigger) r a contraction ( smaller) ignore the negative sign.
If the number is larger than 1, it is an expansion, if the number is smaller than 1 it is a contraction.
-4 is an expansion
2.5 is an expansion
2/3 is a contraction
-3/4 is a contraction
54=.9x Solve for x. x=54/.9=60
-8 i think? hope this helps!
Increased price = $10 + $10×15% = $11.50
decreased price = $11.50 - $11.5×25% = 8.625