If the simple interest on $5,000 for 6 years is $2,400 then what is the interest rate? The rate is __%

Derricks dog sitting and darlene's dog sitting are competing for new business. the companies ran the ads shown. which dog sitting service is more economic to use if you need 5 hours of service? explain.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle