Answer:
1200
Step-by-step explanation:
15/4 × 320/1 = 4800/4
simplify
Answer:
enlargement
Step-by-step explanation:
Actual picture is smaller than the scaled one
Scaling is used to enlarge the actual picture
So the answer is enlargement
Answer:
30 mins i think its jus simple maths unless theres a twist
Answer:
It is -3
i used a calculator-
you can also turn into improper fraction
Answer:
The solutions are 
Step-by-step explanation:
we have

Complete the square. Remember to balance the equation by adding the same constants to each side


Rewrite as perfect squares

square root both sides

