Answer:
Step-by-step explanation:
5x - 9 ≤ 21
5x ≤ 30
x ≤ 6
Answer:
Step-by-step explanation:
a) ∠ABD + ∠DBC = 90°
4x - 3 + 7x - 6 = 90
4x + 7x - 3 - 6 = 90
11x - 9 = 90
11x = 90 + 9
11x = 99
x = 99/11
x = 9
∠ABD = 4*9 - 3 = 36 - 3 = 33
Answer:
He added an unnecessary w and forgot to factor the 2
Step-by-step explanation:
The answer is A....................