9/10 = z/8
cross multiply
9/10(10)(8) = z/8(8)(10)
9(8) = z(10)
72 = 10z
Isolate the z, divide 10 from both sides
72/10 = 10z/10
z = 72/10
z = 7.2
7.2, or D) is your answer
hope this helps
Answer: 5r-5s
Step-by-step explanation:
Hope this helps :)
The stock has dropped $5, has raised $4, or remains the same (aka has not dropped or raised)
The answer is D for #10 and C for #11.
A,B,E
C in case y=1, im not entierly sure what is implied by identity unless youre talking composition or inverses