Answer:
1. a
2. d
3. c
4. d?
5. cant answer cause I cannot see the data
Answer:
152 
Step-by-step explanation:
We know that the total surface area of a cuboid is the sum of the surface area of all six of its faces.
We also know that each opposing side has the same surface area. Thus the total surface area is equal to:
()
The correct triangle is right
The total number of students in the four classes is 100 students.
<h3>How to compute the value?</h3>
From the information, the numbers of students in the four sixth-grade classes at Northside School are 26, 19, 34, and 21.
Therefore, the total number of students will be:
= 26 + 19 + 34 + 21
= 100
Therefore there are 100 students.
Learn more about numbers on:
brainly.com/question/24644930
#SPJ1
Use a website called "math way". Hope this helps
