Sum of roots f (x) = x^3-8x^2-23x+30

What is the interest rate? A=500 (1.0325) ^12

Which percents would be close to 7%? 4.8% 5.2%. 6.8%. 5.5%

Write a system of equations using x and y in each for the following 1.) the sum of two numbers is 170 and their difference is 26 2.) the sum of two numbers is 170 and their difference is 26, show how to solve this using any method 3.

Which of the following figures is not a polygon a (looks like a square) b a circle c (a shape with five sides) d (a star)

At Keller's bike rentals, it costs $19 to rent a bike for 5hours. How many dollars does it cost per hour of bike use? Round answer to nearest hundredth

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.