The correct answer is -10
=-35(4s-t)+21(4s-t)
=-140s+35t+84s-21t
=-140s+84s+35t-21t
=-56s+14t
Answer:
vertical angles
Step-by -step explanation:
Answer:
x=1.93
Step-by-step explanation:
is the equation to solve- By applying natural logarith both sides,

- Because natural logarithm is the opposite operation of
, the 
- Finally, x=ln(6.9)= 1.93
Answer:
5
Step-by-step explanation:
half of 7 is 3.5 so we round to 4 because we can't have half a bird.
and 2 come back so
7-4+2=5