8ft = 2yrds and 2 feet
68in= 5ft and 8in
I don't know the last one XD
Answer: Yes!
Step-by-step explanation:
Yes, graphite is composed of 100%carbon. With this, can we say that graphite is an element or compound of carbon? Compound is composed of two or more elements combined in a substance in definite proportions, in the form of molecules held together by chemical bonds.
B= -2x+5-2x^2-ax
A= -2x+5-2x^2-b/x
x=0