Answer:
a. x² + 10x + 25
Step-by-step explanation:
because
(x + 5)² = (x + 5)(x + 5) = x² + 5x + 5x + 25 = x² + 10x + 25
so, it is a perfect square of (x + 5).
You set 49 equal to 8x - 15
So
8x - 15 = 49
+15 + 15
8x = 64
Then divide by 8
X= 8
Answer: y = <u>6</u>x
Step-by-step explanation:
This table portrays a straightforward proportion between x and y. y is very simply 6 times x.
Hope it helps :) and let me know if you want me to elaborate.
5/8 * 125/125 = 625/1,000 = 0.625
62.5 percent
Solution: 62.5%