Answer:
z=70, y=102
Step-by-step explanation:
180-110 = 70
so, z=70
99+89+70 = 258
360-258 = 102
so, y=102
10x5 is the best soulition !
Answer:
25
Step-by-step explanation:
because you have to divide by 15's
Answer:
The first term is 42.
Step-by-step explanation:
The common difference is 142 - 140 = 2 so we have
50th term = a1 + 2(50 -1) = 140 where a1 is the first term
a1 + 98 = 140
a1 = 140 - 98 = 42.