Someone help me please

11.5 units.

Step-by-step explanation:

To find the missing side, use the Pythagorean theorem:

Where a and b are the height/base, and c is the hypotenuse.

The square root of 132 is ~11.489, or around 11.5.

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.