Question

if a = 7. them find the value of ratio. ;
b 3.
7a. + 9b
7a - 9b​

Answer 1

Answer:

a=7×2=14

b=9×2=18

14+18=32

14-18= -4

Answer 2

Answer:

1.76. 2.22

Step-by-step explanation:

7×7 + 9×3 = 76.

7×7 - 9×3 = 22.