Can someone me with this question ?

Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x