Answer:

Step-by-step explanation:
An Albert Einstein iconic math problem.
Answer:
literacy rate
Step-by-step explanation:
reasearchers know hot to read and write
Lidal's price is better
Step-by-step explanation:
Lidal
4 for £2.04
1 for £2.04/4= £0.51= 51 p
Oldi
9 for £4.68
1 for £4.68/9= £0.52= 51 p
Lidal offers better price per roll
The discount is $2. 2/20 is 0.1 or 1/10 which as a percentage would be 10%. The discount of $2 is <u><em>10%</em></u> off.
The size of the lengths and angles aren't effected by arotation. The image and pre image will be congruent, just in different places