9 different ways. Because there are three people and they can arrange themselves three ways three times three is nine.
Answer:
B.-4+c
Step-by-step explanation:
multiple -1 with -C and 4
Answer:
16.5 inches
Step-by-step explanation:
Use the Pythagorean Theorem
a² + b² = c²
a² + 13² = 21²
a² + 169 = 441
Subtract 169 from both sides
a² = 272
Take the square root of both sides
a = 16.4924225025
Rounded
a = 16.5 inches
Answer:
Step-by-step explanation:sck my