Answer:
C
Step-by-step explanation:
I counted by recording all the numbers nd steps
Answer:
are of trapezoid =1/2×height(a+b)
Step-by-step explanation:
A=1/2×8(10+20)
=4×30
=120cm*
Answer:
y= ½x+9
Step-by-step explanation:
Use desmos makes it easier
Answer:
5.38516480713
Step-by-step explanation:
I hope this helps.
Answer:

Step-by-step explanation:
The formula of a slope:

If
m > 0, then a line is rising
m < 0, then a line is falling
m = 0, then a line is horizontal
m is undefined, then a line is vertical
<h2>a.</h2>
(2, 1) and (4, 5)

<h2>b.</h2>
(-1, 0) and (3, -5)

<h2>c.</h2>
(2, 1) and (-3, 1)

<h2>d.</h2>
(-1, 2) and (-1, -5)
