Answer:
x=-5/9
Step-by-step explanation:
20 over 9 or 2.2222222222
Q1. p=a-i
Q2. l= 1/2p-w
Q3. t=d/s
I think that these are correct
#3
simplier
18 MARK AS BRAINLIEST OR ELSE!!!!
area = 1/2h(sum of bases)
area = 1/2x3(3+9)
area = 1/2 of 36
area = 18
