21. sum = a) 720 b) 730 22.x = a) 50 b) 60 с) 75
d) 80
e) 85
(130°
1000
1759
120
100°
23. sum =
a) 510 b) 525 c) 540
d) 550
e) 560
92
24. x= a) 73 b) 78 C) 81 d) 88 e) 94
140
Sview
Angles of Polygons (Class) docx 177

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)

What is the solution to the system of equations below? y=-1/3x+6 and y= 1/3x-6ono solutioninfinitely many solutions(-18, 12)(18,0)