Agirl is twice as old as her brother and half as old as her dad. in 22 years, her brother will be half as old as his father. how old is the daughter now?

Asphere has a diameter of 10 in. what is the volume of the sphere?

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.