Answer:
40 because 40 percent of 100 is 40. You can just multiply the number by the percentage $100x40%
Answer:
rational
Step-by-step explanation:
-2x^2-4x=0
you just move the -5 to the right and get 5 and you cant subtract 4x from -2x^2
First I would convert 20 and 12 to millimeters which would be 20= 200mm 12= 120mm. You would then find the area if the grid which would be 200•120=
Answer:
the answer is 4.5 and the sign is a negative. The sign is a negative bc you multiply 9 x -0.5, so a positive X a Negative = a Negative.