Answer:
y > 7
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
Answer:
h<=4
Step-by-step explanation:
-9h+3<=-7h-5
-9h+7h<=-5-3
-2h<=-8
h<=4
Answer:
361
Step-by-step explanation:
discriminant = b² - 4ac
= (21)² - 4(1)(20)
= 441 - 80
= 361