Two years ago jenny was four times as old as helen. six years from now, jenny will be twice as old as helen. how old are each of the girls now?

A blueprint for a house has a scale of 1in for every 30ft. A wall in the blueprint is 7 in. What is the length of the actual wall?

Explain why the two equations below have the same solutions. x + 3y = - 1 - 2x - 6y = 2

A rectangular prism has a length of 7 cm, a width of 4 cm, and a height of 2 C The prism is filled with cubes that have edge lengths of 1/2 cm How many cubes are needed to fill the rectangular prism?

What is 83.9 rounded two decimal places

Solve 2x^3 + x^2 - 13x + 6, given that one of its factors is (x - 2) with an area model

What has a slope of 2/3

Con 36 huevos cuántas docenas tienes? y decenas completas

Carolyn is searching online for tickets to a concert. Two weeks ago, the cost was $30. Now the cost is $39. What is the percent increase? What would be the percent increase if the ticket agent charges an additional $4.

A fair coin is flipped six times. what is the probability that heads occurs exactly 4 times if it is known that heads occurs at least four times?

2 (x-3) (x-3) - 8 in standard form