What is the relative frequency of selecting a boy out of the children who have siblings

Eight years from now, Oana will be twice as old as her brother is now. Oana is now 12 years old. How old is her brother now?

Simplify. 6a - {b - [3a - (2b + c) + 4a - (a + 2b - c) ]}.

Jerry bought a bottle of perfume for a gift for his wife. The perfume cost $92 before tax. If the total price including tax was $98.90, find the tax rate.

The circumference of a circle is 44 inches. What is the area? (Use 22 for pie.)

What is Chloe speed in miles per hour show your work explain your reasoning if she took four minutes to get one mile

There is jar of jellybeans on principal coopers desk 40% of the jelly beans are red. there are 28 red jeallybeans how many jelly beans are there in all

Tan (x) = 2 Solve for x. Round the answer to the nearest tenth.

The expression 5/9 (F - 32) shows how to convert from degrees Fahrenheit to degrees Celsius, where F represents the temperature in degrees Fahrenheit. What is the temperature in degrees Celsius when the temperature is 113 degrees F?

Simplify the remaining expression completely x^6y^4/xy^2

Greatest common factor of 8x and 40?