Find the intrest and the amount due

1. Principal $500
Rate 7%
Time 1 year

2. Principal $3,200
Rate 6.5%
Time 6 months

3. Principal $679
Rate 14.2%
Time 24 months

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.