14. Twice the sum of a number and eight

2(x + 8) is the expression.

Use distributive property to simplify,

2x+16

I didn't know which answer you wanted so

2(x + 8)

Step-by-step explanation:

Hello!

Twice the sum means we multiply by 2

2

the sum of a number and eight is x + 8

2 * x + 8

Since we have to twice the sum we put x + 8 in parenthesis to show to do that first

2(x + 8)

Hope this Helps!

60: 45 =12: 9 =4: 3 so the answer is 4: 3

i honestly dont know