Christy spent 25 of her money on a shirt. She has $21.75 left. How much did she spend on the shirt? A. $8.70
B. $7.25
C. $14.50
D. $29​

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

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?