PLEASE HELP!
Identify which of the following equations represent functions. Select all that apply.
A. y = 4x + 13
B. x = 5
C. x2 + y2 = 16
D. y2 = x - 6
E. y = 3x2 - x - 1

Jada has a monthly budget for her cell phone bill. last month she spent 120% of her budget, and the bill was 60$. what is jada’s monthly budget

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.