Robs age is twice the sum of julias age and 10. rob is 24 years old. write and solve an equation to determine julia's age.

Which expression is equivalent to the expression shown?

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

Which statement accurately explains whether a reflection over the y axis and a 270° counterclockwise rotation would map figure acb onto itself?