Which equation represents a parabola with a vertex at (-2, 5) and passes through the point (-4, 7)?
F y=(x + 2)2 + 5
G y = (x + 2)2 +5
H y = -(x - 2)2 + 5
3 y=} (x - 2)2 +5

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years