Solve the system by graphing the lines. express your answer as an ordered pair.

0.6
x
+
0.7
y
+
110
=
0
0.6x+0.7y+110=0

−
0.3
x
+
0.3
y
−
510
=
0
-0.3x+0.3y-510=0

What is the value of x in the diagram below?

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

Complete the steps to find 4.830 ÷ 5