3x+3y-5x-y
(3x-5x) +(3y-y)
(3-5)x + (3-1)y
-2x+2y
Answer:200$
Step-by-step explanation:
Answer is D. 3(x - 7) = 3x - 21
because
3(x - 7) = 3x - 21
Distributive property
3x - 21 = 3x - 21
0 = 0
Infinitely many real solutions
Answer:
B) false D) true E) true
Plug in numbers to disprove the first one.
Area formula for triangles says D is true
It's the Pythagorean's Theorem for Heaven's sakes.
100,000,000,000,000,000,000,000,000,000,000,000,000,000,000,001
Hope this helps!:)