1. April Lemon piensa escribir y publicar su propio libro. Estima su ecuación de ingresos como R=6.42x y su ecuación de costo como C=10,025 + 1.09x, donde x es el número de libros que vende. Encuentre el número de ganancias.

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Which points are solutions to the linear inequality y < 0.5x + 2? check all that apply. (–3, –2) (–2, 1) (–1, –2) (–1, 2) (1, –2) (1, 2)

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?