Answer:
4⋅(a⋅2)
2⋅(4⋅a)
8a
Step-by-step explanation:
(4⋅a)⋅2
4⋅(a⋅2) This is the same by the associative property of multiplication
2⋅(4⋅a) This is the same by the associative property of multiplication and the communicative property of multiplication
4⋅2⋅a⋅2 This brings in an extra 2 so it is not the same.
8a 4*2 = 8 so this is the same
4⋅2+a⋅2 This is the not the same 8+2a is not the same as 8a
Answer:
A reflection over the <em>y</em>-axis.
Answer:
Step-by-step explanation:
Initial price is b and discount is 15%.
<u>The final price is:</u>
- b - 15% =
- b - 0.15b =
- 0.85b
Correct choices are 1 and 4
Answer:
o
Step-by-step explanation:
Answer:
the area of the quadrilateral is 60 cm
Step-by-step explanation:
6 by 10
6×10=60