The sign of the product of -21 and 451 is going to be negative. That is because of the rule when you are multiplying a positive number times a negative number. A positive number times a negative number will always be negative. Here are some helpful rules to know:
positive * positive = positive
negative * positive = negative
negative * negative = positive (the negatives cancel each other out)
Since this question has numbers that fit the second case, the answer will be negative.
A) 50, it's late and I can't do the rest lol
Answer:
Option 3.
Step-by-step explanation:
A parallelogram is said to be a rectangle if
1. Opposite pair of lines are equal and parallel
2. Adjacent lines meet each other at 90 degrees.
Hence we have third option which satisfies both the conditions.
Answer:
(-6,-4) make them both negative
Answer:
-28.3333333 I am not so sure. Let's hope.
Step-by-step explanation: