Mathematics
28.11.2022 05:18
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Evaluate b^2 for a b = 9 • 18 •81 •92
Evaluate b^2 for a b = 9
• 18
•81
•92
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• 18
•81
•92
adamske0
4,8(46 marks)
81
Step-by-step explanation:
if b is 9 cubed you would just multiply 9 ×9 and get 81
simojo
5,0(62 marks)
1) F
2) C
3) A
4) H
Step-by-step explanation:
1)
P = a + b + c + d
P = 7x + 8 + 7x + 8 + 9x + 4 + 12x - 2
P = 35x + 18
2)
P = 4a
P = 4(4x - 8)
P = 16x - 32
3)
P = 5a
P = 5(2x - 4)
P = 10x - 20
4)
P = 4a
P = 4(7x + 2)
P = 28x + 8
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