769 rounded to nearest 100 = 800
359 rounded to nearest 100 = 400
309 rounded to nearest 100 = 300
800 + 400 + 300 = $1,500 estimated total cost
Please mark brainliest
different between A and B
=30-(-30)
=60
position of C from A or B
=(60÷3)×2
=40
possible value of c
=-30+40
=10
possible value of c
=30-40
=-10
(4*7/2)+(15*7)+(7*6/2) = 140
Answer for no.9:
144.5cm^2
Step-by-step explanation:
base of triangle = 34cm-17cm
=17cm
Area =bh/2
=17cm×17cm/2
=289cm^2/2
=144.5cm^2
The answer is the square root of (12^2 + 5^2), which is 13. You're correct
