complementary means it adds up to 90° so 27° + 63° = 90°
supplementary means it adds up to 180° so 70° + 110° = 180°
Answer:
the area would be 15 if you use are equals 1/2 base times height
There is no solution for the first one
if you eliminate y you get 2 equations
-13x - 13z = -25
-13x - 13x = -15
- there is no solution to theses
a23 means the element in the second row and the 3rd column
so its -5
0.035 x 1.02 is equal to 0.0357. 0.0357 divided by 0.00015 is equal to 238.
24:28
52 (total books) minus 24 (fiction books) equals 28 (non fiction books)
