Step-by-step explanation:
By Descrates' Rule of Signs,
x² + 99x + 127 changes sign 0 times.
Hence it has 0 positive roots.
Since the discriminant b² - 4ac is also positive, there are 2 real distinct roots.
Hence both the roots are negative. (B)
Answer:
Tank A is filling up faster because it has a steeper slope.
Step-by-step explanation:
Answer:21/16
Step-by-step explanation: you just flip the 2/3 to 3/2 and times it
D 2x + 28 = 48
because x + x + 14 + 14 equals the perimeter which is 48
