Answer:
40⁰ is angle boc
Aod is 75⁰ hope it's help yo
Y = -2x - 4
y = 2x +4
add the two equation
2y = 0 , y =0
2x + 4 = 0
2x = -4
x = -2
N+19 >= 8
since their is no greater than or equal sign i did that^ hope u understand
The largest number that divides 63, 84, and 105 evenly is 21.
David can put 21 of each kind of tile in a row.
_____
These numbers are 3*21, 4*21, and 5*21, respectively.
