Un hombre tiene 110 animales entre vacas, caballos y terneros, 1/8 del número de vacas más 1/9 del número de caballos, más 1/5 del número de terneros equivalen a 15, y la suma del número de terneros con el de vacas es 65. ¿cuántos animales hay de cada clase?

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.