Hello,
answer A
4x+2y=11
x-2=-2y==>2y=-x+2
4x-x+2=11==>3x=9==>x=3
2y=-3+2==>y=-1/2
Sin x = b/c
Cos x = a/c
Tan x = b/a
Answer:
80+100 equal 180
Step-by-step explanation:
because if u add 80+100 equal 180
8/10 is close to 1(8/10 = 0.8 and 5 and up you round up)
4/9 is close to 0 (4/9 = 0.44 and 4 and down you round down!)