Answer:
both the lines are symmetry as it cuts the square into two equal parts.
Answer: r = 7
Step-by-step explanation:
Subtract 12 from both sides to isolate the r variable. You have -42 = -6r. Divide both sides by -6 to get r by itself and you get r = 7. Verify by substituting 7 as the r value and solving the equation.
Answer:
x=140times0.4
Step-by-step explanation:
then subtract your anser from 140