Answer:
x^2+12x-13 = 0
Step-by-step explanation:
12x=13-x^2
=>12x+x^2=13-x^2+x^2
=>x^2+12x-13 = 13-13
=> x^2+12x-13 = 0
Answer:6a+9
Step-by-step explanation:
You cant combine a number with a variable that doesn’t have a variable
Answer:
z=70* and y=140*
Step-by-step explanation:
u have to count it
Answer:
$352
Step-by-step explanation:
take the area (8 x 11)
multiply by the price (4)
and u get ur final answer