Answer:
80 cubes
Step-by-step explanation:
volume of one small cube = 1 /2 × 1 / 2 × 1 / 2
= 1 / 8cm^3
let x be the number of cubes needed
1 / 8 × x = 10
x = 10 × 8
x = 80 cubes
Answer:
2x(x - 4)
Step-by-step explanation:

Answer:
You can use a number line to subtract -6 from -7. The difference is -1.
Answer: 5+x
Step-by-step explanation:
Not sure if you want it in an equation but here it is: 5+x
(-7, 3) would’ve been loads easier with an attachment ^-^