To find the area of a circle find the radius and square it then multiply by PI
Area = PI x r^2
Answer:
I see a fish writing on paper
2/3 x 3/4 =6/12=1/2
(Multiply numerators, multiply denominators, simplify)
4x+5y=7
y=3x+9
1) 4x+5(3x+9)=7 2) y=3(-2)+9
y= -6 +9
4x+15x+45=7 y=3
19x+45=7
19x= -38
x= -2
x is -2 and y is 3