I need help with this question please. Ignore the box below with the other question

Tom and maria typed in words in the ratio of 1 : 5 in 20 minutes. they typed 864 words altogether. find the number of words that each of them typed

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3