The y-variable is the value that tells us to move in what direction on a graph? OPTIONS-
z-direction
y-direction
x-direction
zy-direction

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.