Find the LCM of 13 and 39

Select all of the answers that apply. Which of the following equations are equivalent to - 2m - 5m - 8 = 3 + (-7) + m? -15m = - 4m -7m - 8 = m - 4 -3m - 8 = 4 - m m - 4 = - 7m - 8 -8 - 7m = - 4 + m -8 - 3m = 4 - m

What is the density of an object with a mass of 86.8g and volume of 6.2cm cubed.

1) Explain the difference between an equation and an identity. 2) How can you use the graphing capability to verify that two equations are identities? 3) What determines whether to use + or - in the half angle formula for sine and cosine?

Arawings. A rectangular cornfield has an area of 63 square kilometers. If the length of the cornfield is 9 kilometers, what is the width?

What are the zeros of f (x) = x (x - 7) ? A. x = 7 only B. x = 0 only C. x = 0 and x = - 7 D. x = 0 and x = 7

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.