Triangle ABC has vertices, A(4,4), B(-1,4), and C(1,6). find the orthocenter

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?

What is the equivalent fraction for the following fraction using 5 as the multiplier? 1/2

Solve this system of equations: y=x2-3x + 12 y=-2x+14 4. substitute the values of x, -1 and 2, into either origina equation to solve for the values of y. what are the solutions of the system of equations?