Please help i am giving away brainliset The CEO of B Industries wants to build a solid brass sculpture of a capital B in the plaza in front of the company's headquarters. The proposed dimensions of the sculpture are shown in the diagram. Assume the round shapes are semicircles with diameters as marked. If brass weighs 8,400 kg per m3,how much will the sculpture to the nearest kilogram? A. 1,497,430 kg
B. 1,154,368 kg
C. 1,391,873 kg
D. 2,070,056 kg

The 8th term is 512

Ok here we go ..there are plenty of ways to solve such math problems but we will go for the smartest and easiest ..5x+2y=7  -2x+6y=9we rearrange them into the following ..by multiplying the 1st equation by 2 it becomes 10x + 4y = 14we rearrange it and so it becomes 10x = 14 - 4yas for the second equation we multiply it by 5 and rearrange it so it becomes as to the following ..-10x + 30y = 45rearranging so 10x = 30y -45now 10x equals both 14 - 4y and 30y -45so   14 - 4y = 30y -4531 = 26yy= 31/26 = 1.19 or around 1.2so by now we can calculate x easily as  -2x+6y=9so 2x = 6y -9 = 6 * 31/26 - 9 = -1.84  then x = - 0.92 or around -0.9best luck!