What is the equation in point-slope form of a line that passes through the points (−4, −1) and (5, 7) ?

1)y+1=8/9(x+4)

2)y+1=8/7(x+4)

3)y+4=9/8(x+1)

4)y−1=8/9(x−4)

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c, with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm