Respuesta :
Answer:
M=18
Step-by-step explanation:
M+-8+2*13
M=-8+26
M=18
Answer:Bryan is 30 inches tall
Step-by-step explanation: 52+8=60. Mark is 8 inches shorter than double the height so just add marks height and add 8. then divide by 2. 60/2 = 30 inches