Will someone please answer these problems?? I need them done ASAP

Step-by-step explanation:

1. 10/15 = 2/3. Similar.

2. 101/151 ≠ 100/150. Not similar.

3. 10/20 = 7/14 = 4/8. Similar

4. 6/3 = 7/3.5 = 7/3.5 Similar

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation:

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step-by-step explanation: