Sarah is twice as old as her youngest brother if the difference between their ages is 15 years how old is her youngest brother

2,6,3,9,6,18 what is the 10th term

How do u do this problom 4-2+[3x2 - (4-2) ]

How to simplify and rewrite the equation in descending powers of the variable "3 х - х² + 2 = Ч"

The legth of a rectangle is three centimeters less than twice its width. if the perimeter of the rectangle is 18 centimeters, find its dimensions

Eighteen more than twice a number is 8. Solve for the variable

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.