Un estudiante obtiene 76% y 65% en sus primeras tres evaluaciones. asumiendo que todas las evaluaciones tienen el mismo peso, cuanto debería obtener en su cuarta evaluación para que su promedio final sea mayor de 80%?

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation:

first one because it can't have a fraction in it

step-by-step explanation:

12

step-by-step explanation:

12 + 5 = 17

12x2=24

24-7=17