Please help, will mark brainliest​

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.

answer: both chords and diameters have two endpoints on a circle. diameters must intersect the center of a circle.

i dont know

step-by-step explanation:

umm. i dont know