Answer:
9
Step-by-step explanation:
Replace a by 7
and
b by 4
and
c by 1/2
7+4(1/2)
7+2=9
Answer:
92.59 ounces................
Answer:
80
Step-by-step explanation:
you do 3+2 first which is 5. And then you do 4^2 which is 16. when you multiply them you get 80
Answer:
The angle of elevation is approximately 
Step-by-step explanation:
Notice that the two pieces of information given: "400 ft away from a building", and building that is "850 ft tall", can be regarded as the two legs of a right angle triangle (see attached image).
Then the angle
that we are trying to find (the angle of elevation) can be found by using the arc-tangent function:
