Find the missing angle measure, arc measure or solve for x. Show all work!

Which two undefined geometric terms always describe figures with no beginning or end?

Complete the steps to find 4.830 ÷ 5

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!