Employees at the hardware store are receiving pay raises. Dan’s hourly pay rate is increasing from $12 to $14 and Kathy’s hourly pay rate is increasing from $13 to $15. What was Dan's percent increase in pay?

What was Kathy's percent increase in pay?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup