17 more than twice Gail's age

Select the correct answer. What is the solution to this system of equations? x - 2y = 15 2x + 4y=-18 O A. x = 1, y = - 6 B. x = 1, y=-7 C. x = 3, y=-6 D. x = 3. y=-7 Reset Next

The ratio of the number of Jackie's pink T-shirts to the number of her purple T-shirts is 4:3. Which of the following cannot be the total number of her pink and purple T-shirts? (A) 28 (B) 42 (C) 70 (D) 48 With one: A, B, C or D?

Urn I contains 2 red balls and 2 white balls. Urn II contains 13 white balls. A ball is selected at random from urn I and placed in urn II. Then a ball is selected at random from urn II. What is the probability that the second ball is white?

Which of the following is one of the special product formulas?

What is total differential of a function?

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.