Answer:
rhombus, rectangle
Step-by-step explanation:
All parallelograms have two pairs of parallel sides.
A rhombus is a parallelogram. A rectangle is a parallelogram.
A trapezoid is not a parallelogram.
Answer: rhombus, rectangle
51.
2+3x = 62
3x = 60
x = 20
52.
6x+2 + 40 = 90
6x = 48
x = 8
53.
3x+18 + 93 = 180
3x = 69
x = 23
54.
x-24 + 29 + 296 = 360
x = 59
Answer:

Step-by-step explanation:
Commission received on selling each storm window
of the selling price of each storm window
Commission received on selling each door
of the selling price of each door
Amount earned on selling storm windows = $5,400
Amount earned on selling doors = $28,790
Commission received on selling storm windows 
Commission received on selling doors 
Therefore,
Total commission received 
Answer:
0.866
Step-by-step explanation:
If tan x = 1.731 then sin x =
Given data
tan x = 1.731
x= tan^-1 (1.731)
x= 59.98°
x= 60° approx
Aso
sin x=??
substitute
sin 60°= 0.866
Hence the answer is 0.866
Answer:
2/5
Step-by-step explanation:
4/5*1/2=4/10=2/5