Answer:
A triangle is scalene if all of its three sides are different. If two of its sides are equal, a triangle is called isosceles. A triangle with all three equal sides is called equilateral.
Answer:
D
Step-by-step explanation:
Two lines are perpendicular when the product of their slopes = - 1
line 1: y = 3x + 4
(3 , 0) ; (-3,2)

Slope of line 1 = 3
Slope of line 2 = -1/3
3* -1/3 = -1
Answer:
There are an average of 265 students present.
Step-by-step explanation:
- Count all the present student numbers together: 260 + 270 + 280 + 250 = 1060
- Divide the sum of all the present student numbers by the number of days: 1060÷4=265 students present on average.
Your answer should be 52.8