The average of 8,6,9,12 and 4x is x. What is the value of x

Jamie kicked a soccer ball that traveled along a path described by the parabola y = - x^2 + 8x, where y equals the height of the soccer ball in feet, and x = the horizontal distance in feet that the ball has traveled from Jamie.

Two friends leave their houses at the same time and run across town towards each other. The first friend runs at a speed of 8 miles per hour. The second friend runs at a speed of 7 miles per hour. If they left at 6 p. m.

Here are some numbers. 5 4 3 9 7 Which of these numbers is: a factor of 32? a common factor of 12 and 21?

John paid $80 for 5 tickets at an amusement park. Each of the tickets cost the same price. Which equation represent the cost, C, for n tickets?

Beth filled 32 jars withh paint. If each jar holds 1 pint of paint, how many gallons of pain did beth used

Joseph says that there is 5/8 of a ham sandwich left and 1/2 of a turkey sandwich left what is not a pair of equivalent fraction for 5/8 and 1/2

Aspen added 14 to the product of 224 and 16. What is the sum?

the number 42,__2 rounded to the hundred place is 42300. what is the least possible sum of the two missing digits? justify your answer.

What were Greek tyrants like?

Is 4b²+40b+20 a perfect square