Question

choose the correct option ​

Answer 1

Step-by-step explanation:

bis your correct answer

Answer 2

Answer:

no. 9) option B

no. 10) option B

no. 11) option D

Step-by-step explanation:

no. 9) Dx÷Dy = 1 = x÷y

now x=5

then x/y = 5/y=1

=> y = 5

_____°°_____

no. 10) 4k =10

=> k = 5/2

____°°____

no. 11) 7x = 37+ (13×2)

7x= 63

x= 9