Answer:
(See explanation for further details)
Step-by-step explanation:
Classification based on sides:
Equilateral - Three sides with same length.
Isosceles - Two sides with same length.
Scalene - No sides with same length.
Classification based on sides:
Acute-Angled - All angles are acute. 
Right-Angled - One angle is right. 
Obtuse-Angled - One angle is obtuse. 
Mean is the average of all the numbers so you add them all together and the amount of numbers you added together you divide that by the addition to get the mean. The mean for those 4 numbers is 11,299. Hope I helped!
215 is the answer because 78-35 =43 43×5=215
<span>x^2+6x+11=0
After solving this u will bet
X=-6+,-</span>√-8/2
So roots of a equation are imaginary
Answer:
X=55°
Y=30°
Step-by-step explanation:
2y=x+5
Y=1/2x+2.5
3y+30=4x-100
3(0.5x+2.5)+30=4x-100
1.5x+7.5+30=4x-100
4x-1.5x=137.5
2.5x=137.5
X=55°
Y=30°
