En un examen de admisión de 120 preguntas, cada respuesta correcta vale 2 puntos y por cada incorrecta se quita medio punto. Un postulante respondió todas las preguntas obteniendo 80 puntos. ¿Cuántas preguntas respondió mal? :/

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a.m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum.how many seats does the larger van have?

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)