Calculate the number in the middle of - 8 and 31

What is the standard form of (4,4), perpendicular to y = - 4/9x

Simplify the expression. 3^-9 * 3^6 * 3^6 3^3 9^3 27^3 3^-324

The weight needed to balance a lever varies inversely with the distance from the fulcrum to the weight. A 120-lb weight is placed on a lever, 5 ft from the fulcrum. What amount of weight should be placed 8 foot from the fulcrum to be balanced. A).

Stock in trochel office supplies trades at $72.40 per share and pays a yearly dividend of $6.92 per share. if david owns stock in trochel office supplies worth $6,443.60, how much does he get paid in yearly dividends? a. $678.16 b. $931.16 c. $615.

Solve for x: - 4|x + 5| = - 16 a. x = 21 over 4, x = - 11 over 4 b. x = - 1, x = 9 c. x = - 1, x = - 9 d. No solution

8x-4y=16 -5x-5y=5 Graph the both

Which correlation coefficient represents no relationship between x and y? * r = - 0.02 r = 0.41 r = - 0.78 r = 0.96

46. Merchandising If 12 items are in a dozen, 12 dozen are in a gross, and 12 gross are in a great-gross, how many items are in a great-gross?

Y+8=4/3 (x-9) into a slope intercept form

In a poll of Mr. Briggs's math class, 67% of the students say that math is their favorite academic subject.