Answer:
Step-by-step explanation:
............................................ (1)
............................................ (2)
now equate both (1) and (2)



now substitute the values of x ,
when
, y becomes 0
when
, y becomes 8
so, solution set:
and 
Answer:
x = 29°
Step-by-step explanation:
Answer:
= - 7+z
Step-by-step explanation:
Answer:
299.03
Step-by-step explanation:
first you do 7100 times 10=71,000