What conic section is this 4x^2 + 9y^2 = 81?

What is the scientific notation for 0.0138

Solve for y. 8 (y - 2) = 4y

is 1500mL greater than or less than 1.5L

What is the gcf of 30 90 and 130

A receipe calls for the following ingredients. 3 c flour. 1/2 t salt 3/4 c sugar. 4 c fruit 2 t butter To make 2/3 of the recipe how much of each ingredient should you use write the revised amount on the line next to each ingredient

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.