Answer:
21
Step-by-step explanation:
3x-7=-21
-21x-1=21
hope this helps, brainliest is always appreciated :3
Supplementary angles are two angles whose measures sum to a 180 degrees and complementary are the sum have to add up to 90 degrees.So 180÷2=90;90÷2=45;180÷6=30 and 90÷6=15.Altough the answer is A.
The gfc of 24 and 30 is 6.
C. 5.75 calories per gram
Edit: 287.5÷50=5.75
402.5÷70=5.75