85 comes immediately before
Solving for x
x=3/8m-5/4,m
Solving for m
m=10/3+8/3x,x
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:
its D
Step-by-step explanation:
basically all you have to do if cut off the semicircles fins their areas then find the rectangles area and add them all up