16
The two numbers that add to get negative 36 and multiply to get negative 144 are -48 and 12. When you add them, -48 + 12 equals -36, and when you multiply them, -48 × 12 equals -144.
36
-36 because -36/9 = -4
36 -20 = 16
4x = -36 x = -9
6
It is: 1.8*20 = 36
-20 - 36 = -56
-9 x -4 = 36
36
92
-36 because -36/9 = -4
a= -4 because a negative times a negative equals a positive
Exactly! -6 to the power of 2 means "-6 times -6". That's a negative times a negative, and the answer is positive 36.
Negative 15 plus positive 20 equals 20 minus 15, which equals 5.
20
r = -36