Answer:
<em>Hey mate, here's ur answer:</em>
<em>----------------------------------------------------------</em>
<em>(4a - 3b + 4c) + (8a - 2b + 3c)</em>
=4a+−3b+4c+8a+−2b+3c
=(4a+8a)+(−3b+−2b)+(4c+3c)
<u>=12a−5b+7c</u>
----------------------------------------------------------
<em>Hope it helps</em>
<em>#stayhomestaysafemate</em>
<em>:D</em>
Answer:
16. 24.85
17. 0.9 seconds
Step-by-step explanation:
16. $10.95+$14.20=$25.15
$50-$25.15=$24.85
17. 5.75 seconds-4.85seconds=0.9 seconds
Your welcome, please mark me Brainliest!
Answer:
x=8
Step-by-step explanation:
Answer: I do not understand the options you gave but but cos30º is equal to 
/2 which is 0.86602540378.
