On solving equation 3*1/5b+5=50, the value of b will be?

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.

What are the domain and range of f(x)= -log5(x+2)

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