First do the the parenthesis: (6-3) = 3
Now you have [-4 + 3 * 8] -10
Next do multiplication: 3 *8 = 24
Now you have [-4 + 24]-10
Now do what is in brackets: -4 + 24 = 20
Now you have 20-10
Subtract 20-10 = 10
Divide both of them by 8
the answer would be: 7/10
hope that helps :)
Let
x-------> the time
y-------> the altitude of a helicopter
Step 1
<u>Find the slope of the line</u>
we know that
the slope m of the line between two points is equal to

we have

substitute in the formula



therefore
<u>the answer is the option </u>
The slope is
. This means that the helicopter descends
ft each minute.