a light year is the distance light travels in one year. if the speed of light is about 3*10^5km/s, how long is light year in kilometers? (use 365 days for the length of a year)​

Convert the cartesian equation (x 2 + y 2)2 = 4(x 2 - y 2) to a polar equation. choices: r4 = -4r2 r2 = 4cos2θ r2 = 4sin2θ

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut