The public debt in the U. S. (in billions of dollars) has grown as follows: Year Spending (in billions of dollars) 1910 2.65 1920 25.95 1930 16.19 1940 42.97 1950 257.36 1960 290.22 1970 389.16 1980 930.21 1990 3233.31 2000 5674.18 2010 13529.21 a. Give a scatter-plot and residual plot of the data.

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step-by-step explanation:

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.

2(2x + 3) = -4 + 2(2x + 5)

4x + 6 = -4 + 4x + 10

4x + 6 = 4x + 6

4x - 6 + 6 = 4x - 6 + 6

4x = 4x

x = x

unlimited solutions.