i need the answer to these math questions.
1) multiply 8 minutes 31 seconds by 17.

2 h 16 min 23 sec

Step-by-step explanation:

Hello

the time is expressed in the sexadecimal system, which uses the number 60 as an arithmetic base,hence

1 min=60 sec

1 hora =60  min

Now, we have

we take the whole part as an hour, and the decimal part is multiplied by 60 to get minutes

Step 1

we repeat the procedure to leave the minutes as a whole part

Step 2

Have a great day

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,