12. Find u · v for u = 3i + 4j and v = i - 2j a.

b. -5
c. 10
d. 3i - 8j​

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points