Me.. assignment determine whether the graphs of the following equations are parallel or perpendicular. 1. 2x+y=-7, x-2y=-4, 4x-y=52. y=3, 6x-2y=7, 3y=9x-13. y= 2/3x+3, y=3/2x4. y=4x, x+4y=125. 4x+y=1, x+4y=126. y=2/3x+3, 2x-3y=87. x+4y=12, 4x+y=1

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

Brent needs to paint a logo made using two right triangles. the dimensions of the logo are shown below. what is the difference between the area of the large triangle and the area of the small triangle? (1 point) select one: a. 4.5 cm2 b. 8.5 cm2 c. 16.5 cm2 d. 33.0 cm2

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years