Elizeabeth bought a necklace that has a mass of 35 grams which measure is equivlent to 35 grams

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)

What is the angle measure, or angle of depression, between this bird and the bird watcher?