Christina can paint a chair in 6 hours, and Victoria can paint a chair in 4 hours. How many hours will it take to paint the chair when the two girls work together?

Atile pattern on a wall is made up of two identical parallelograms and three identical triangles. what is the area of the tile pattern ? what is the area of the tile pattern?

Josephine has a great garden with and area of 2x2 + x - 6 square feet

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?