Answer:
A
Step-by-step explanation:
The TV to have a 16:9 ratio and have a diagonal of 65 inches must have a length & width whose squares add to 4,225 (65 squared) and whose ratio length and width simplifies to 16/9.
B is not an option because
.
C is not an option because
which is 1.777777777778 as a decimal.
D fails for the same reason as C.
Therefore A is the solution because
and 
Answer:
Each magazine costs 3.90
Step-by-step explanation:
Take the total cost and divide by the number of magazines
46.80/12
3.90
Answer:
k = 63
Step-by-step explanation:
3 x 21 = 63
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