True!! If you multiply -3 x -7 you get 21!!
Answer:
Step-by-step explanation:
Perimeter of triangle = 4x - 3 + x + 9 + 8
= <u>4x + x</u> -<u> 3 + 9 + 8</u>
= 5x + 14
Area =
Answer:
The second one
Step-by-step explanation:
Answer:
-30
Step-by-step explanation:
10 x 3 = 30
10 x -3= -30
please mark me brainliest
two negatives makes a positive
two positives markets a negative
and
a positive and a negative makes a negative