Answer:
138
Step-by-step explanation:
c=5
d=4
6c^2-5d+8
substitute c & d
6(5)^2-5(4)+8
6(25)-20+8
150-20+8 = 138
Answer:
r= 8
Step-by-step explanation:
Devide both sides by -4
You didn't enter a valid question.
If the decimal can't be written into a ratio, then it is not rational.