Are the triangles similar?

A Yes by AA -
B Yes by SSS-
Yes by SAS -
Not Similar-

Yes by SAS

Step-by-step explanation:

3/9 is similar to 5/15

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b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.