Anita paid a total of $57.50 for a blazer. the price of the blazer was $52.85. what was the sales tax rate?
a.
4.56%
b.
8.08%
c.
8.79%

Can someone me with this problem . show your work .

Will mark ! (10 points also! ) if x varies inversely with y and x =6 when y= 10, find y when x=8 a. y=4.8 b. y=7.5 c. y=40/3 d. y=4/15

A0.40 kg soccer ball is kicked so that its incoming velocity of 5 m/s is changed to an outgoing velocity of -25 m/s. what impulse does the player apply to the ball?