What is the axis of symmetry and vertex given the equation,

y=2x^2-12x+21

Sketch a horizontal cross section

If you can only use 3 of these numbers once to find a sum of 30 without subtracting or adding additional numbers, what three numbers would you use out of 1, 3, 5, 7, 9, 11, 13, and 15? () + () + () = 30

Allie and brian both repair computers. Allie makes $50 a day plus $25 per repair. Bryan makes $20 a day plus $35 per repair. Write a simplified expression for Allie and Bryan's daily earnings if they make the same number of repairs?

What is the mean of these numbers: 20, 123, 32, 343, 23, 32 Will upvote

A car is traveling at a speed of 54 kilometers per hour. What is the car's speed in kilometers per minute? How many kilometers will the car travel in 2 minutes?

80,+84, + 82, + 79, + 72, + 97, + 89, + 97, + 88, + 79, + 86, + 90, + 87 =

How is has's mother being impacted by the war

Enter the value of p so that the expression 3 (4+n) is equivalent to 3 (n+p)

Is 12 over 15 in lowest terms 3 over 3? Ii'm having a brain fart

200 is 398 times j make an equation