Answer:
9(x + 19)
Step-by-step explanation:
Product is a multiplication key word where you'll usually always put parenthesis when multiplying, and where the keyword sum comes you'd add x and 12 for your equation :)
Answer:
10
Step-by-step explanation:

4 x 5 = 20
= 10
Hi
Yes 54 is a rational number because it can expressed as the quotient of two integers : 51 divide by 1
I hope that's help :)
Answer:
A dozen = 12
Step-by-step explanation:
I think I’m right