Question 974003
1. 3(4x)+ 4 if x=5
= 3(4*5) + 4
= 3*20 + 4
= 60 + 4
= 64
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2. 10(xy) if x=5 and y=6
= 10(5*6)
= 10*30
= 300
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3. 6(3t + 4s) if t=4 and s=3
= 6(3*4 + 4*3)
= 6*24
= 144