The area of a triangle is A = (b*h)/2:
(5 * 8)/2 = 20
X=5 because 2x plus 6x equals 8x and then when you divide the 40 by 8 u get 5
Answer:
c, Z
Step-by-step explanation:
x+y=4
<u>y+z=5</u>
y=4-x
4-x+z=5
<u>-</u><u>x</u><u>+</u><u>z</u><u>=</u><u>1</u>
z=1+x
C because when you change your independent variable, your dependent variable should change since it depends on the independent variable.