If f(x) = 2x2 + 3 and g(x) = x2 – 7,
find (f - g)(x).

A. x2 - 4
B. 3x2 - 10
C. x2 + 10
D. 3x2 - 4

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters

Why is causation so much more difficult to prove than correlation?