Find y' when y = secx / 1+tanx

Jean cost $45, they are now priced $40. find the percent of change from $45 to $40

Find the greatest common factor of 5 and 10

What is the estimated sum when 3,467 and 8.908 are rounded to the nearest thousand and added

Three silver coins and two gold coins together weigh 23 ounces.

What does the graph of an equation reveal about the solutions to the equation? How do you solve a system of equations approximately using graphs and tables?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.