What is the largest four digit number in base 3?

Plane P contains four distinct lines l 1, l 2, l 3, and l 4. Suppose l 1 perpendicular to l 2, l2 perpendicular to l 3, and l 3 perpendicular to l 4. How are l 1 and l 4 related?

The denomination int eh equation for the z valye is equal to

What is the solution of 15+9:3?

the cost of 3 pounds of grapes is $6.57. what is the constant of proportionaty that relats the cost in dollors, y, to the number of pounds of grapes, x?

A sphere is inscribed in a cube with a surface area of 216 square centimeters. What is the volume of the sphere? Round your answer to the nearest whole number.

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.