Answer: It’s a vector
Step-by-step explanation: AP EX approved
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
Answer: 6.25
Step-by-step explanation:
Because corresponding sides of similar triangles are proportional,

Answer:
it is 84
Step-by-step explanation:
the least common multiple of 7 and 12 is 84. i have no step by step explanation...sorry