Answer:
Step-by-step explanation:
+7-1
Answer:

Step-by-step explanation:
square 18 and square 35 then add together
if your trying to find the slope then the slope is 3
Answer:
A = (5s^2t - 9st) (3t + 1)
Step-by-step explanation:
(5s^2 - 9s) (3t^2 + t)
= 15s2t^2 + 5s^2t - 27st^2 - 9st
= 5s2t (3t + 1) - 9st (3t + 1)
= ( 5s^2t - 9st) (3t+1)