What is the slope of the line that passes through the points (-20, 18) and (30, 14)? -25/2
-5/2
-2/5
-2/25

The slope of the line that passes through the points (-20,18) and (30,14) is

m (slope) =  -2/25

Step-by-step explanation:

answer is 8x+24

area of vanessa's patio = length × width

given, length = (3x² + 5x + 10)

width = (x² - 3x - 1)

area of vanessa's patio = (3x² + 5x + 10)(x² - 3x - 1)

= 3x²(x² - 3x - 1) + 5x(x² - 3x - 1) + 10(x² - 3x - 1)

= 3x⁴ - 9x³ - 3x² + 5x³ - 15x² - 5x + 10x² - 30x - 10

= 3x⁴ - 4x³ - 8x² - 35x - 10

hence, expression of vanessa's patio = (3x⁴ - 4x³ - 8x² - 35x - 10)

3

step-by-step explanation:

because where the point where the 2 lines intersect is (3,-1) the x value is 3