Well your answer for problem 4 is 28. IM not sure what the boxes are for though...
Answer:
step 1
Step-by-step explanation:
Substract 6 to both sides and you get 36 =-2d then you use the multiplicative inverse and d=-18.
Answer:
x2 - 4x - 21
Step-by-step explanation:
Area = (x -7 )(x +3)
= x*x - 7*x + x*3 - 7*3
=x2 - 4x - 21
Answer: 60°
Step-by-step explanation: use exterior angle property,
therefore, y+70°=130°
y=130°-70°
y=60°
