4x-423 solve for x

63 as a fraction in simplest form.

Noah bought '15 baseball cards for $9 assuming each baseball card cost the same Amount, Answer the following questions.

Andrew can paint the neighbors house 3 times as fast as Bailey. The year Andrew and Bailey worked together, it took them 10 days. How long would it take each to paint the house?

Raja is making small, cone-shaped horns out of clay for an art project. Each horn is 16 centimeters tall with a base diameter of 6 centimeters. What is the approximate amount of clay Raja needs for each horn?

I made 5 cups of granola that my family eats in ⅗ cup servings. Will there be more than 5 servings?

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.