Sorry guys, I cannot type Chinese with my PC. Math JJ Total cost 5000+50x+0.01x2, if 100 units are produced What is the unit cost: 50, 57 , 58, 59, 60
If 1850 is divisible by x, remainder is 50 What is the possible value of x? 50, 225, xx, xx, xxx,
12, 3a6 is a five-digit number divisible by 12, what is the possible value of a? 2,3,4,5,6
How many points can form parallelogram with Points (-1,6), (2,0), and (1,7)? 0, 1, 2, 3, 4 | 
