I believe its 147 in ² :))))))
2(10*3)=60
2(1/2*10*8.7)=87
60+87=147
The graphs of the two equation are attache. The red curve represents the graph of the equation

while the blue curve represents the graph of the equation

.
Answer:
x,y - x,y-4
Step-by-step explanation:
x coordinates of a and b remain same but their y coordinates become -4
Answer:
A negative number, a negative integer, a negative multiple of 3, etc.
Step-by-step explanation:
They can buy any number of chairs fewer than four because 140-60=80
80 divide by 20 is 4