Acourt reporter can record 80 words per minute. if he increased his speed by 5% how many words could he record per minute

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.