redzrocketz
redzrocketz
12-03-2018
Mathematics
contestada
I need help with this
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musiclover10045
musiclover10045
12-03-2018
16: 10(-9) +4 = -90 +4 = -86
17. 7^2 - 7 = 49-7 = 42
18. -9^2 - -9 = 81+9 = 90
19. 10(5) +4 = 54, 3*54 = 162
20. 3*5 = 15, 10(15) +4 = 154
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