8 21/100 is the mixed number for8.21
Answer:
B
Step-by-step explanation:
it matches the table
X/2-y/3=3/2
(6×x/2)-(6×y/3)=6×3/2
3x-2y=9______(1)
x/3+y/2=16/3
(6×x/3)+(6×y/2)=6×16/3
2x+3y=32_____(2)
(1)×3____9x-6y=27____(3)
(2)×2____4x+6y=64____(4)
(3)+(4)___13x=91
x=7
3(7)-2y=9
-2y=-12
y=6
Simplifying the expression of 5(-7+q) is Q=7
Because the shadow doubled, the tree is actually only 11 FEET TALL.
