Twenty students took a 10 question quiz with no partial credit awarded a) Find the product.

(
−
1
.
15
)
⋅
3
.
2
b) Explain in words how you determined the sign of your answer.

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"