To find the average, you have to add all the numbers up and then divide by the amount of numbers you added together.
Equation: (86+87+91+x)/4=98
Solve for x:
86+87+91+x=98*4
264+x=392
x=392-264
x=128
The fourth number is 128
Answer:
Step-by-step explanation: 2x+17=36 ⇒ 2x= -17+36 ⇒ x=8.5+18
so your answer is E
Answer:
has to be letter b because they connect and then separate opposite sides
Answer:
D
Step-by-step explanation:
Because 20000 is the power of ten and i wrote it down on paper
10089.67cm is your answer but dont trust m answer wait for other ones
