What is the square root of 84

9.16515138991

Step-by-step explanation:

All you need to do for this is hit the square root button on a calculator, then put the number you wish to square.

Btw squaring is finding the number it takes to multiply itself by itself to get a number

Hope this makes sense!

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.