What is the sum of any rational number and its opposite and why

I'm having trouble showing my work for23 divided by 3

Which of the following represents the graph of f (x) = one-half to the power of x + 2?

What's a constant value

A man can run at a speed of 13 feet per second. at this rate how far can he run in 3 seconds

P (a factor of 12) A. 12.5% B. 25% C. 50% D. 62.5

A cruise ship travels 330 miles due east before turning 25 degrees north of east it travels 180 miles along its new course. How far is the cruise ship from its initial position?

Liam and his children went into a movie theater and will buy bags of popcorn and pretzels. He must buy at least 8 bags of popcorn and pretzels altogether.

the side of a cube is doubled from it original length. what is the ratio of the volume from the samller cube to the bigger cube

A large city is hiring painters to create murals around the city. Each painter can paint 2 large meals a day or 7 small murals a day.

The volume of a cube can be found using the equation V = s³, where V is the volume and s is the measure of one side of the cube. A cube has a volume of 756 in³ A. s = 756 in B ... s=756---√3 in. C. s = 756³ in. D. s=756---√2 in.