In the diagram of trapezoid ABCD below, AB || DC, AD = BC, A = 4x + 20, and C = 3x - 15.
B
(4x + 20)
(3x - 15)
D
What is D?

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog

Find the missing factor. write your answer inexponential form.9^2=9^4×