Answer:
Si
Step-by-step explanation:
Step-by-step explanation:
x² + 4x - 9
= (x + 2)² - 13
a = 2, b = -13.
Answer:
10
Step-by-step explanation:
half of 10 is 5
Answer:
20√2=28.2842....
Step-by-step explanation:
special right traingles
a 45-45-90 states that the legs are congruent and the hypotenuse is leg√2