Is 3x=4 a linear function

Which of the following is not equal to sin⁡ (-230°) ? sin (130°) -sin (-50°) sin (50°) sin (-50°)

Find 12 percent of 145

You roll a number cube twice. Find the probability of the event. rollung a 1 then a 2

Solve for y. 2y^2+5y+63 = (y+7) ^2

A hotel room that is advertised at $120 per night. You notice in the fine print that there will be an additional 18% tax on the room. How much tax will you pay? How much will you actually be charged per night, including the tax?

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.