Answer:
a=-29/14
Step-by-step explanation:
Answer:
1.45%+4.2%= 5.65%
100%->650
5.65%-> 36.725
650- 36.725 - 10 = 603.275
~ 603. 27
hence answer is b
Answer:
a
Step-by-step explanation:
If you put in z to the equation

you get

and that equals 9 so the answer is B. 9