E) Andy is 2 times younger than his sister and his father is 25 years older than him. If the total of their ages is 53 years, what is Andy's age and his father's age?

3. The company SpaceY is designing a commercial spherical spaceship and plans to start selling one-week trips to people who want to orbit around the Earth. Spacey allocates 1,000 cubic feet per person, plus an additional 3,067.

Donations to an annual fundraiser are 15% greater this year than last year. Last year, donations were 10% greater than the year before. The amount raised this year is $10,120. How much was raised 2 years ago?

Why a linear function may not be adequate for describing the supply and demand function

4/5 of the money collected from a fundraiser was divided equally among 8 grades what fraction of money did each grade receive

3/5 of a conductor's club one of the last camping trip 39 people going on the trip how many are in the club

George has 9 more dollars than Frank, who has 3 more than Richard. What is the least amount of money that must be exchanged so that they each have the same amount of money?

What is the value of 35-3m, when m = 4? A. 1 B. 13 C. 23 D. 128

A Product What is the product of 4.01 x 10-5 and 2.56 x108?

True or false the number 0 is the multiplicative identity?

What's joint frequency?