X/26=28
•26=•26 (cancels each other out)
X=728
2. rhombus
3. rectangle
4. parallelogram
5.trapezoid
6.quadrilateral
D = 14
1/6d + 2/3 = 1/4d - 1/2
2d + 4*2 = 3d - 6
2d - 3d = -6-8
-d = -14
d = 14
Answer:
6
Step-by-step explanation:
Multiply 7x+3 by 2. When you get 14x+6, set equal to 90 and solve for x.