The answer is:
t=<span><span><span>2y</span>+1/</span><span>2<span>y
y=1/2t-2</span></span></span>
216:1000
108:500
54:250
27:125 is the ratio in simplest form.
F(-4) = 3 x 2 - 5(-4) + 4
3x2= 6
-5(-4)= 20
6-20= -14
-14+4= -10
f(-4) = -10
Answer: 2/3, 2:3, and 2 to 3
Explanation: there are three different ways to write ratios - using fractions, semi colons, and the word “to”
