Step-by-step explanation:
a, 1/4+2/5=13/20
b,-1/8+1=7/8
c, 4/25×-1/8=-1/50
d, 2×1/9-1/2=2/9-1/2=-5/18
e, 1+2/5-1/4=7/5-1/4=23/20
Answer:
A
Step-by-step explanation:
United states is too broad and too many different conditions for the land. You do not base weather on the date either.
Hello,
ρ=√(4²+3²)=5
tan θ=-3/-4=3/7
==>θ=216,869897...° (since θ is in the III quadrant)≈216.9°
Answer C
Answer:
The slope of a line perpendicular to one with the slope of 13 is −3
Step-by-step explanation:
Answer:
f(-)8=0
Step-by-step explanation: