A direct relationship requires a change in the same direction of both variables, answer c.
Answer:
x - 5
Step-by-step explanation:




Therefore x - 5
A=90 degrees divide by 5
=18 degrees
2c+a=90
2c+18=90
2c=90-18
2c=72
divide each side by 2
c=36
therefore:
2c=72
b=4a+c
b=4(18)+36
b=72+36
b=108
Answer:
.5
Step-by-step explanation:
.5 times 1/10 is .05. move the decimal over!