Answer:
D ez
Step-by-step explanation:
Answer:
3.45 x 10^5
Step-by-step explanation:
1.3×100=1.3
1,387 because you just add all the bricks (421+623+343)
Answer:
135 degrees
Step-by-step explanation:
(8x-7)+(12x+57)=180
combine like terms
20x+50 = 180
subtract 50 on both sides
20x = 130
divide by 20
x = 130/20
x = 13/2
x = 6.5
cpq = 12x+57
cpq = 78 + 57
cpq = 135
