Try another version of this question Compute: `3*[(10,3),(8,-5)] + 4*[(6,9),(-2,9)]` `[(54,45),(16,21)]` `[(23,19),(13,11)]` `[(112,84),(42,28)]` `[(16,12),(6,4)]` Get help: VideoBox 1: Select the best answer `[(54,45),(16,21)]`
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Box 1: Select the best answer