Billy had some $2 and $10 notes. the total value of the notes was $864. she exchanged 5 $10 notes into $2 notes. the number of $2 notes and $10 notes were equal in the end. how many $2 notes did he have at first?

Solve the x in the equation x^2+14x+17=-96

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter