First one = 9x3=27
Second one 12x9=108
3rd one = 3x4=12
Idk what that last one is
Answer:
option D
Step-by-step explanation:
take 39 degree as reference angle
using cos rule
cos 39 = adjacent / hypotenuse
0.77 = x / 7
x = 7*0.77
x = 5.39
x = 5.4
yes because when filling in the unknown (3*2-4=2) gets you the answer of 2.
Answer:
18
Step-by-step explanation:
