Pemdas
mutliply first
5*5=25
now we have
25+9+2+2-4+6-2-3
34+2+2-4+6-2-3
36+2-4+6-2-3
38-4+6-2-3
34+6-2-3
40-2-3
38-3
35
Well 1/40 is 0.025 so that should be the write fraction to use

now, the first one, on the far-left.... can't see the height.. but I gather you do, now as far as its Base area, well, the bottom is just a 12x12 square, so the area of its base is just 12*12
now, the middle pyramid, has a height of 6, the base is also a square, 8x8, so the Base area is just 8*8
now the last one on the far-right
has a height of 8, the Base is a Hexagon, with sides of 6
Answer:
77
Step-by-step explanation:
it is the thing ok
C) $20
40 divided by 30 is 1.3
1.3 times 15 is 30