Answer:
To get to -3 you can do 1+-4
Answer:
39,51
Step-by-step explanation:
Complementary angles add to 90 degrees
Let one angle be x
The other angle is x+12
x+ x+12 = 90
Combine like terms
2x+12 = 90
Subtract 12 from each side
2x+12-12 = 90-12
2x = 78
Divide each side by 2
2x/2 = 78/2
x =39
The other angle is 39+12 =51
Answer:
Lee's flight would take 3.5 hours.
Step-by-step explanation:
1400 ÷ 400 = 3.5