A² = c² - b²
a² = 21² - 13 ²
a² = 441 - 169
a² = 272
a = √272 = 16.49242 ≈ 16.49
Answer : D ) 16.49
Answer:
The answer is <em>-0.5</em>
Step-by-step explanation:
Answer:
2 points, (4, 0) and (-2, 0) ((following the (x,y) format)).
Step-by-step explanation:
The roots are also calles x-intercepts, zeroes, and other less common terms.