18. About 4 inches separate Oklahoma City, Oklahoma, and Dallas, Texas, on a map. If 1 inch on the map represents 105 miles, what is the approximate distance
between Oklahoma City and Dallas?

Complete the truth table a. t, f, f, t b. t f f f c. f t f t d f t f t

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.