Answer:
x = 15
Step-by-step explanation:
These angles are supplementary so you'd set up an equation like 3x -15 +150 = 180 then solve for x from there.
<u>answer:</u> 
<u>work:</u>
| subtract 13.50 and move it over
| divide by 7/2
| final answer
3.2128 is a rational number
Answer:
66.3 mL
Step-by-step explanation:
17.4% of 381 mL is ...
0.174 × 381 mL = 66.3 mL