BRAINLIEST please answer quickly I will give you my Harry Potter wand collection I will let you scratch a chalkboard PELASE PLEASE

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.