<span>The number of fire-extinguisher that are required to be carried onboard motorized boats depends on the size of the boat. The main purpose of fire extinguishers is for the protection of the motor engine. Thus, For a 26 and 40 feet in length, at-least two B-I extinguishers or one B-II are required to carry.</span>
A. first the find the are of the top side. to get the area of a circle you do radius squared times pi. The radius is half the diameter so 5 squared times ok equals 78.5
Then times that by the length, 21 times 78.5 equals 1648.5
b. first square the radius to get 400, then times that by 4 to get 1600. after that multiply that by ok to get 5026.5
Answer:
12=4x-16
x would represent the unknown number.