Simplify this equation

c=15n+20

Riley says that he has completed 65% of the work on his science project. Wanda says she has completed 3/5 of the work on her project. Which student has completed more of the work on the project?

The measures of two complementary angles are in the ratio 4:1. what is the measure of the smaller angle?

2^x=3^x+1 what are the exact approximate solutions

Which equation models this problem? Susan paid $36.90 for nine washcloths. What is the unit price, p, per washcloth? a. 36.90p = 9 b. p/9 = 36.90 c. p/36.90 = 9 d. 9p = 36.90

Discover the area of a circle with a diameter of 17 feet?

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.