Answer:

Step-by-step explanation:

Answer:
Multiplay 30 by 5 Then multiply five-by-five then Multiply 20 by 5 Then take away your answer
7.) (x, y) —> (1/2*x, 1/2*y)
Answer:
The first error in the bill is +8
because when two opposite signs of number are multiplied so the result is always negative.
so,
2 × -4 = -8
instead of 8 their should be -8.
hope this answer helps you dear...take care!
Answer:
-10
Step-by-step explanation: