Group B 8x4=82 10. Construct a triangle ABC in which AB= 60m
cm. & A=45 and Ac=4 cm.
41. The length of rectang ular groorden is
tom and breadth 80 find the perimeter
of its
42. Find the total surface area of cuboid
which has length 8om, breadth 40m and
height 2cm.
43. If A = $2,3,4,5}, B = 23,4,5,6,7% Find
AUB and AnB.
14. Find the L. c.m. Of 30,50,70, go

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Can someone me with this problem . show your work .

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?