the inequality goes from -30 and all number up but not including -30 because it has open circle. so mark all number greater than -30
Answer:
Step-by-step explanation:
Answer A is correct. Remember that a radius stems from the center and ends on the rim of the circle, as shown here.
Recognize the differnce of 2 perfect squares
a²-b²=(a-b)(a+b)
so
Step-by-step explanation:
(6x+4)+(4x+26)+110°=180°{straight angle}
10x+140=180°
10x=180-140
x=40/4
x=10
(6x+4)=(6×10+4)=(60+4)=64°
(4x+26)=(4×10+26)=40+26=66°
hope it helps.
