Answer:
The first one
Step-by-step explanation:
7/9 would be irrational, I think.
multiplicative inverse of -26/7 is -7/26
Answer:
Also 2/3.
Step-by-step explanation:
2 as a fraction is 2/1.
1/3 * 2/1
1 * 2, 3 * 1
2, 3
2/3
Y=-1/5 x-1/8
Gradient, m= -1/5
A line perpendicular will be;
m=15
y=mx+c
Replacing for x and y;
0=5(0)+c
c=0
y=5x