Alicia cashed her paycheck and used half her earnings to take 3 friends to dinner. she spent $42.15 on dinner and she brought home more than $20.00. write a inequality to represent the situation, using x to represent the amount of alicia check.

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?

Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?