Answer:
b. <u>x + 4</u>
Solution:
Student's age = x
Teacher's age = 6 + 2x
Principal's age = 10 + 3x
Difference in the age of the teacher and principal
(10 + 3x) - (6 + 2x)
= 10 + 3x - 6 - 2x
= (10 - 6) + (3x - 2x)
= 4 + x
1133.54 or 361 pi
Step-by-step explanation:
19^2*pi
1.25E16
Step-by-step explanation: calculator
1 cubic foot
1*1*1 = 1