A circle with radius of \greenD{9\,\text{cm}}9cmstart color #1fab54, 9, start text, c, m, end text, end color #1fab54 sits inside a circle with radius of \blueD{11\,\text{cm}}11cmstart color #11accd, 11, start text, c, m, end text, end color #11accd. What is the area of the shaded region?

4 puzzles in 3 hours

step-by-step explanation:

answer: it is d

step-by-step explanation:

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.