At the end of one day, the value of a share of a certain stock was $12. Over the next three days, the change in the value of the share was $-1, then, $-1, and then $3. Write an expression that describes the situation.

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)

4. (10.03 mc) the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = −2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 − 2x − 3