Katrina saved & 200 to purchases her tablet. her father spent 10 times as much money to buy his new computer. How much did her father's comatter cost? Use words to explain how you got your answer

Ok ... I'm confused, this is about covering metric units of length. Mount Saint Helens, a volcano, erupted on May 18, 1980. Before eruption, Mount St. Helens was 2,950 meters high. After eruption, it was 2,550 meters high.

Tell how you know that a system of two linear equations has more than one solution. how many solutions will such a system have? justify your answer

Find the coefficient of x4 in the expansion (2x + 3) 5.

My shoes were only $49.50, but I also had to pay 4% tax. What was my total?

Solve the system. y = 2 - 6x 12y - x = 1

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.