Materials 4. Use the trapezoid below to answer the question. The figure is an isosceles trap 4x + 1 1 1 3x - 1 3x + 1 9x - 2 If the perimeter of the trapezoid is 58 inches, what is the value of x? O A 19 19 O B. 31 o c. 31 19 D. 3​

Mallory has been offers two different jobs. she can baby sit for 6 hours a week and get $8.50 an hour. or she can work at the library for 14 hours a week and make $5.50 an hour. which job will allow her to save the most money after 6weeks?