64 dollar jacket 20% discount what is the sale price? show the steps. this is due tomorrow plz halp

What is the solution of log2  (3x  -  7)  =  3? 4 5

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?

Math it's appreciated. (picture provided)