The sum of a number and 12 is 30

What are the solutions to the equation x2 + 6 = 87? A. - 10 and 10 B. The equation has no solutions. C. - 6 and 6 D. - 9 and 9

Which statements are true about the median of a data set? Check all that apply. The median isn't affected much by one outlier The median is always affected by one outlier. The median is the number in the middle on an ordered set of data.

3x+y=15 5x-4y=8 resolucion de sistema por el metodo de sustitucion

Radium has a half life of 1660 years. If the initial amount of radium is 200 grams, how much will remain in 500 years?

A line that passes through two sides of triangles divides the sides proportionally A. always B. sometimes C. never

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.