its a math problem
Solve this problem -x squared -40x- 80 =0
one-sixth
three and two thirds
40
It is an equation in the single variable, d.
negative two thirds
5/9 minus 2/3 equals -1/9
maximum minus minimum
7a=2(-10)........................................answer is 20/7
It is: 32.35 minus 10.63 equals 21.72
k = 129