Answer:
D
Step-by-step explanation:
The correct answer is D
I’m not 100% sure but isn’t it x2 +xy +y2?
Triangle area formula: base*height/2
so, 14*10/2 = 7*10 = 70 sq. in.
89 is the amount of points the team needs to score in the fifth game to average 70 points.
I hope this help
75+ 15x ≥ 140
⇒ 15x ≥ 140-75
⇒ 15x ≥ 65
⇒ x ≥ 65/15
⇒ x ≥ 13/3
⇒ x ≥ 4 1/3
Final answer: x ≥ 4 1/3~
