What is the area of this rectangle A1=

What is the sum of the first 8 terms of the geometric series

Write a similarity statement for the similar triangles. afgh ~ a

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!