Which describes how to calculate the range of this data set? 4, 5, 6, 8, 11, 12
Subtract 11-5
Subtract 12-4
Add 11+5
add 12+4

subtract 12-4

Step-by-step explanation:

For the range you subtract the smallest number from the biggest number so 12-4.

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,