Answer:

Step-by-step explanation:


Use the formula of a³ - b³ = ( a - b) ( a² + ab + b² )


Hope I helped!
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907.18 grams are in 2 pounds.
Answer:
$20
Step-by-step explanation:
15/3=5 which means that for every guest attending Carla's retirement party it must cost her $5 each.
Therefore if 4 guests come to the party it must mean 4(5) which is 20.
Hence $20
Answer:
3x+3=2x
Step-by-step explanation:
Answer:
7. parallelogram
8. square
9. trapezoid (trapezium) (maybe "acute" - can't see the whole image)
10. rhombus
11. ?
12. rectangle
13. equilateral triangle
14. scalene triangle
15, 16, 17 and 18 are all isosceles triangles as they have 2 sides of equal length