A² = c² - b²
a² = 21² - 13 ²
a² = 441 - 169
a² = 272
a = √272 = 16.49242 ≈ 16.49
Answer : D ) 16.49
You can not use either of them because neither of them have a variable= to the eqaution
ex.) y= 3x+25
Sam has 50 paper clips
If one paper clip has a length of 1/10 foot than 10 paper clips would make 1 foot.
Answer:
A . x=13 is the solution of this question.
I believe it is b)
Because you always do rise over the run and if it goes right then it is positive and if it goes left it is negative.