Angle of elevation
neither
angle of depression?

How many zeros does the function f(x)=4x3-x2+1 have

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax