Answer: 17
Step-by-step explanation: ok so first to find the mean you add all the numbers then divide by how many numbers there is so basically 18 plus 15 plus 20 plus 15 then divide by 4 because there is 4 numbers and once you do that it is 17
Answer:
number one
Step-by-step explanation:
if if 4.5 - 2.5 the answer is 2 that means the answer is number one
Answer:
Negative karma: You yell at someone for being dumb, but you fail your exam.
Good karma: You give money to the homeless, and then find money on the floor.
-4.75= z/2
Multiply both sides by 2
-4.75(2)= z/2(2)
Cross out 2 and 2, divide by 1 and becomes z
z=-9.5
Answer: z= -9.5
