Answer:
41 empty chairs.
Step-by-step explanation:
Banquet has (22)(4) tables and (15)(6) tables, subtracted by 3.
22 x 4 = 88
15 x 6 = 90
178 - 3
175 chairs.
Subtract 175 by 134 and you have the amount of empty chairs.
41 chairs.
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.
30
y=2 x=3 i think
2y+3=y+5
y=5-3
y=2
4x-3=4y+1
4x-3=4×2+1
4x-3=9
4x=9+3
4x=12
x=12/4
×=3