f(x)=(2x+5)(x+3)(3x-10)(2x-8) has zeros at x=-3,c=-5/2,x=10/3,and x=4. What is the sign of f on the interval -5/2

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Given right triangle abc, what is the value of tan(a)?