Answer:
A.
Step-by-step explanation:
Take a look at what happens when squaring either of these...

Notice a couple of patterns.
1. The last term has a positive coefficient. That rules out answer choices C and D.
2. The coefficient of the middle term is either
. So what are <em>a</em> and <em>b</em>? <em>a</em> is the square root of the x^2 term and <em>b</em> is the square root of the y^2 term.

The middle coefficient needs to be either +30 or -30. The answer is choice A.
Answer:
BBBBBBBBBB
Step-by-step explanation:
1/4 mile per 22.5 seconds
Answer:
yes because a rhombus and a rectangle are counted as a quadrilateral because they have 4 sides
Step-by-step explanation:
Why is it so complicated? Volume of one cube is 1/2 * 1/2 * 1/2 = 1/8 cm^3
Volume of prism is 1/8 * 96 = 12 cm^3
Answer:
-2.46, -10/4, 14/5, 2.5.
Step-by-step explanation: