Erica walked down a trail into a valley.
v(d)v(d)v, left parenthesis, d, right parenthesis models erica's vertical distance from the top of the valley (in kilometers) after walking ddd kilometers along the trail.
what does the statement v(2)=tv(2)=tv, left parenthesis, 2, right parenthesis, equals, t mean?

How do you find principle and simple interest

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?