How many terms are in this expression ? 9k + 4m

Find the slope of a line given the following two points

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

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!