Answer:
≈ 12.05
Step-by-step explanation:
Pythagora
x = √(9² + 8²)
= √(81 + 64)
= √145
≈ 12.05
Answer:
15
Step-by-step explanation:
when x=6 plug it in to the equation and you would get 2(6)+3 which is 12+3 which is 15
Answer:
4
Order of Operations is what you have to use