Which of the following pairs have the first function positive and the second function negative in the third quadrant?

A.) cos and sec

B.) tan and cos

C.) sin and cot

D.) csc and sin

What is the value of y in the solution to the system of equations? 1/3 x + 1/4y = 1 2x - 3y = - 30

7w+w-15=17 What is w equal to?

What is the recursive formula for the sequence 3, 12, 48, 192, 768 ... ?

In a recreation park a childrens slide is 27 feet long and makes an angle of 39 degrees with the ground. Its top is reached by a ladder 18 feet long. what is the angle of inclination of the ladder?

If you rode a bicycle at 12 miles an hour how long will it take you to write 42 miles

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.