The coordinates of the end points lineab and linecd are a(3,6), b(8,7), c(3,3), and d(8,4). which statement describes how lineab and linecd are related?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)