Answer:
Question 9:
The product is irrational
Question 10:
20
10
Step-by-step explanation:
Answer:
The third one
Step-by-step explanation:
It may help u
Answer:
28
Step-by-step explanation:
Let n = 21, and evaluate the expression.






Answer:
y=5x-2
Step-by-step explanation:
plug the numbers into y=mx+c where m is the gradient (or slope) and c is the y-intercept