Answer:
A
Step-by-step explanation:
X=-13
Because 9 plus 4 is 13 but x can't be negative so you divide my negative 1 and get x=-13
Answer:
Age of teacher = 32 years
Step-by-step explanation:
Average age of 15 students = 16 years
Sum of age of 15 students = 16 * 15 = 240 years
Average of age 15 students and a teacher = 17 years
Sum of age 15 students and a teacher = 17 * 16 = 272 years
Age of teacher = 272 - 240 = 32 years
Answer:
y=¾(4x-20)
y=3x-15
Final answer= y - 3(x+12)
=y - 3x-36
=3x-15-3x-36
= -51
Answer:
The answer is either a, b, c, or d.
Step-by-step explanation:
I just chose all answers because i didn't feel like doing more work.
