First you need to get x on one side so subtract 3x from both sides which will leave you with 8=2x-20. Next add 20 to both sides to get 28=2x. Then divide everything by 2 and you should get x = 14.
Answer:
0.564 to the nearest 10th is 0.6 and to the nearest 100th is 0.56
Step-by-step explanation:
ty :P
Mean = np = 60(0.7) = 42
Standard deviation = sqrt(npq) = sqrt(60(0.7)(0.3)) = 3.55