Answer:
3
Step-by-step explanation:
mark brainliest pls
Four person shakes the hand this means 1st person shakes hand with other 3 and 2nd person shakes with other two (excluding 1st person)
3rd person shakes with 4th person ( excluding 1st and 2nd)
Total handshakes are = 3+2+1=6
Answer:
-3k+10
Step-by-step explanation:
Answer:
3.9
Step-by-step explanation:
Pythagorean theorem:
a^2 + b^2 = c^2
a^2 + 1^2 = 4^2
a^2 + 1 = 16
a^2 = 15
a = sqrt(15)
a = 3.9
Answer a = 3.9 yards
Im not sure of the answer but w is 18 and the problem is like this the 18-10=8 the sqaure root of 8 is 4 and the square root of 4 is 2 so therefore the answer is 2