eadd

What 5-letter word typed in all capital letters can be read the same upside-down?

No matter what, I come to you round, floating up, floating down. A single pop, I'm on the ground. Then comes your unpleasant frown. What am I?

100 - x^3 (x^2 -5) = -4x
If x > 0, what is one possible solution to the equation above?

Superman can do this to steel in his bear hands

eteacr

What has a neck but no head?

I have a long neck, am the name of a bird. I am on cargo of ships. I eat but am not alive. What am I?

If x - 1/3 = k and k = 3, what is the value of x?

A place for those that break the law

gsneplei

What is there one of in every corner and two in every room?

People have stepped on me, but not many. I never stay full for long. I have a dark side. What am I?

kx-3y=4
4x-5y=7
In the system of equations above k is a constant and x and y are variables. For what value of k will the system of equations have no solution?

"Don't touch that ____," the tuning knob on a radio or television

tinfctoe

How do you spell COW in thirteen letters?

It can be said: to be gold is to be good; to be stone is to be nothing; to be glass is to be fragile; to be cold is to be cruel. What am I?

y = a (x-2) (x+4)
In the quadratic equation above a is a non zero constant. The graph of the equation in the xy-plane is a parabola with the vertex (c,d). Which of the following is equal to d?
Answer choices:
A) -9a
B) -8a
C) -5a
D) -2a

The bottom of a sleeve

lyfsiljhe

What is it that given one, you'll have either two or none?

I can be long or can be short, I can be black, white, brown, or purple. You can find me the world over and I am often the main feature. What am I?

In a right triangle one angle measures x degrees, where sin x degrees = 4/5. What is cos (90 degrees - x degrees) ?

It's the first 4-letter noun in the rhyme "Hey Diddle Diddle"