1.) The doorsill of a campus building is h = 10 feet above ground level. To allow wheelchair access, the steps in front of the door are to be replaced by a straight ramp with constant slope 1/12, as shown in the figure. How long must the ramp be? [The answer is not 120 feet.]

2.) Find a number t such that the line passing through the two points has slope -2. (3, t); (-1, 5) show work.

3.) Find the slope and y-intercept of the line whose equation is given. 3x+4y= 7 show work.

4.) Find the slope and y-intercept of the line whose equation is given. 2(y - 1) + (x - 7) = 4(x + 3) - 2 What is y-intercept? What is the slope? show work.

5.) Find the equation of the line through the given points. (6, 14) and (1, -1) show your work.

6.) Find an equation for the line satisfying the given conditions. y-intercept is -6 and slope is 7 show work.

7.) Find an equation for the line satisfying the given conditions. Through (2, 3) and parallel to 2x - 5y = 7. show work.

8.) Find an equation for the line satisfying the given conditions. y-intercept 2 and perpendicular to 3x - y + 11 = 0 show work.

9.) Find a real numberksuch that the given line hasy-intercept-8. 8x-ky+5=0 show work.