Simply square root of -112
a. 4 square root of -7
b. 4i square root of 7
c. -4 square root of 7
d. i square root of 112

Josie buys a pair of boots that retail for $52.00 dollars, however they are currently on sale for 25% off how much does josie pay for the boots if there is also a 6% sales tax on them