Refer to the pic above.
Concepts used :
1. Trigonometric Properties
2. Domain limitation
3. assumption
Answer:
x≥16/5
Step-by-step explanation:
5x-4≥12
5x≥16
x≥16/5
Answer:
$18.51
Step-by-step explanation:
23.42×.21= 4.91 then 23.42-4.91= your sale price which is $18.51