Answer:
6.
Step-by-step explanation:
If each assignment is worth -3, you can divide 18 (amount of points changed) by 3 (each assignment's affect) to get 6.
Answer:
The multiplicative inverse of -2/3 is -3/2.
Answer:
the width of a rectangular is 3 cm
Step-by-step explanation:
Length L = 10 cm
Perimeter P = 26 cm
Width W = ?
perimeter = 2L + 2W
26 = 2(10) + 2W
26 - 20 = 2W
6 = 2W
W = 6 / 2
W = 3 cm
therefore, the width of a rectangular is 3 cm
Sector area can be found with the formula 
where 
is the central angle.
r = 8m , = 135º
m^2
Arc length formula is 
m
Square root 270 a^2 b^2
3sq root 30 a^2b^
