Which inequality represents all values of x for which the product below is defined?
√5x ·√x+4
a. x> 0
b. x≥0
c. x≤-4
d. x≥-4

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

What numbers are included in the set of integers? what numbers are not included?