3x 13 linear or nonlinear

What is 19.19 rounded to the nearest tenth

A scientist that studies the climate and weather patterns of the area

How do you solve 7a+10=2a

What is the measure of each exterior angle of a regular hexagon?

Independent random samples were selected from two binomial populations, with sample sizes and the number of successes given below.

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.