2.8 lbs
Explanation- 16-6.8=9.2
12-9.2=2.8
He will weigh 198 lbs. you add 3 lbs to his original weight for each year.
Answer:
The length of arc is 7.85cm
Step-by-step explanation:
You can find the length of arc by using the formula :

θ = 90°
r = 5cm
Arc = (90/360)×2×π×5
= (1/4)×2×π×5
= (1/4)×10×π
= (5/2)π
= 7.85 cm (3s.f)
Answer:

Step-by-step explanation:
From the question we are told that
Equation of cross section is 
Generally the equation can be rewritten mathematically as



Generally the equation of a parabola with vertical axis is mathematically given by

Therefore comparing equations



The distance from the bulb to the vertex of the cross section is given by
