Answer:
Step-by-step explanation:
63 - (-4) = 63 + 4 = 67 <== a difference of 67
or think of it this way..
if its at 63, u subtract 63 just to get to 0....but then u have to subtract 4 more to get to -4......making a difference of 67
Answer:
108
Step-by-step explanation:
first add the 8 + 4 because things are always first in parenthesis next multiply the 9 by the sum of 8+4 and you will get 109 because 12x9 = 108
Answer:
C. 85 degrees
Step-by-step explanation:
(set the equations equal to each other):
6x-25 = 4x+15
(solve for x):
2x = 40
x = 20
(plug in x back into the equation):
6(20)-25 = 120-25 = 95
(subtract your value from 180 degrees (180 degrees is a line)):
180-95 = 85 degrees
