Yes it's right C. 18
if 2m multiplied by 9 student the result is 18 , so 1m multiplied by how many students is resulting 18 ..... c.)18
Answer:
112 weeks
Step-by-step explanation:
784/7=112
S = 7x^2....divide both sides by 7
1/7s (same as s/7) = x^2...now take sqrt of both sides
(+ - ) sqrt 1/7s = x