Answer:
x=49 exactly but a i forgot how to get range sry
Step-by-step explanation:
1) 15/15 which is 1
2)100/30 which is 3 1/3
3)8.2
4) too long sorry
Answer:
Numbers that aren't: 35 and 43. It can literally be any number.
Perfect cubes: 8,64,125,216. You can find perfect cubes by cubing any number. For example 6^3 (6 to the power of 3) is 216. A perfect cube.
Answer:

Step-by-step explanation:
x= 1 over 4y-2