Can someone help me for questions 15 through 18
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Answer:
15) 68-y³
68-5³
68-125
-57
16)104-6c+3
1 1/2=1.5
104-6(1.5)+3
104-9+3
104-6
98
17)30a-8×3+4
30(4.6)-8×3+4
138-8×3+4
138-24+4
138-20
118
18) 9.7+3.1w-1.9
9.7+3.1(2.3)-1.9
9.7+7.13-1.9
16.83-1.9
14.93
Step-by-step explanation: