What is the relationship? system of equations

Is the orthocenter of a triangle on the inside ?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?