Suppose there are 19x students, 1x teachers
19x+1x=400
20x=400
x=20
there are 20 teachers and 380 students.
Answer:
B. Combine like terms
Step-by-step explanation:
Inside the parenthesis, they combined -2 and 6 to get a total of 4x
Answer:
16 units^2
Step-by-step explanation:
(2,8) _____ (6,8)
| |
(2,4) |_____|(6,4)
length of each side = 4 units
Area = 4units*4units=16 units^2