Suppose x = 2y - 7. what is x, if y = 5?
a 0
b 1
c 3
d 5

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

What is the factored form of x2 − 4x − 5? (x + 5)(x − 1) (x + 5)(x + 1) (x − 5)(x − 1) (x − 5)(x + 1)

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12