The combined age of a mother and her twin daughters is 58 years. the mother was 25 years old when the twins were born. write and solve an equation to find the age of each of the three people.

What 2 number add up to 0.21. 0.01, 0.11, 1.1, 0.1, 0.9, 1.2

Simplify expression 16 + (4x6) - 3^2

How to add 3.102+6and3/4+20

Danny Daw Geater is challenged to eat 45 hotdogs in a hot dog eating contest. After he has eaten 18 of them, what percentage of his goal has he eaten?

Which relationship has a unit rate of 60 miles per hour

Carol has two cats rover and Bobo. Rover eat three fourths of a can of cat food each day and bobo eat a half of a can of cat food each day. Cat food cost five dollars for three cans. It's is only sold in three can packs.

Write a system of equations with (1,-2) as its solution

which has the best unit rate? 16 oz for $4.25 or 20 oz for $ 4.55 I chose 16 oz but I need to make sure it's right

Is 3√ a irrational number

Does anyone know what 2 to the 3rd power means?