3 years ago

I have no idea how to do this!

Mathematics

1 answer:

-BARSIC- [3]3 years ago

5 0

Step-by-step explanation:

18.

4(c+5)-f⁴

4(-1+5)-4⁴

4(4)-4⁴

16-256

-240

19.

-3[(w-6)²+x]²

-3[(5-6)²+6]²

-3[-1²+6]²

-3[1+6]²

-3[7]²

-3(49)

-147

20.

3.5[h³-(3j/6)²]

3.5[3³-(3*-4/6)²]

3.5[27-(-12/6)²]

3.5[27-(-2)²]

3.5[27-4]

3.5[23]

80.5

21.

x[y²-(55-y^5)÷3]

-6[6²-(55-6^5)÷3]

-6[36-(55-7776)÷3]

-6[36+7721÷3]

-6[7757÷3]

-6[2585.66]

-15513.96

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