Question 4 of 10 If ABCD is an isosceles trapezoid, what is the value of x?
AC - 7x - 21
BD-5x + 13
A
o
A. 25
O B. 32
O C. 17
O D. 18
O E. 26.5
F. Cannot be determined

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.