Answer:
9√3
Step-by-step explanation:
√(81*3)
√81*√3
9√3
Answer:
3x^2+1
Step-by-step explanation:
combine terms
The answer is 6 appointments are cancelled each day
40 I believe because the space of the auto mobile catching up to the train is 4 hours. 4 times 30 is 120 miles so u need to figure out a number that can reach 120 in three hours. 3 times 40 is 120