7. El volumen de un gas es inversamente proporcional a la presión. Un gas tiene el volumen de 20 Litros y una presión de 1.000 Pascal. ¿Cuál es el volumen del gas si la presión sube a 5.000 Pascal? a) 2 L
b) 4 L
c) 10 L
d) 4.000 L

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)