Answer:
change in neither size nor shape
The answer would be -21.6
Subtract 4 from both sides, solve using quadratic formula
ax^2+bx+c
(-b(+or-) Square Root of b^2 - 4ac)/2a
9x^2+9x-4=0
-9(+or-)Square root of 9^2-4(9)(-4)/2(9)
Solve^
Answer:
c
Step-by-step explanation:
45:15=3:1 not 1:3