A rectangular room is twice as long as it is wide, and it’s perimeter is 60 meters. Find the width

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Given the equation y − 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form. −three fourthsx + y = 10 3x − 4y = −40 y = three fourthsx + 12 y = three fourthsx + 10