Answer:
3-th picture
Step-by-step explanation:
i think 3-th picture)
Answer:
b=9,a=12
Step-by-step explanation:
I solved by substitution:
b = 3/4a ---> plug this into the other equation
a + b = 21 is now a + 3/4a = 21
Reduce: 7/4a = 21
a = 12
Now solve for b:
b=3/4a is now b=3/4(12)
b=9
Answer:
x = 43
Step-by-step explanation:
180 - 65 = 115
115 = x + 72
<u>-72 -72 </u>
43 = x
x = 43
Answer:
C red and green
Step-by-step explanation:
Slopes are the same. Red line: go 4 units down and 3 left between marked points.The same for the green one. Slope is rise/run and in this case -4/3.
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Answer:
B. because it want to know how far it takes to reach the ground
Step-by-step explanation:
when you drop the ball it take the hight of getting up