Halla la suma de 42 de la progresión aritmética de diferencia y primer término Halla el término general de la progresión y la suma de 1/2,3/4,4... términos​

From the figure and statement provided, select the proper to prove statement. through a point outside a line one line can be drawn parallel to the line. mn= ab ab + bc= ac mis parallel to ! ab=bc als parallel to b

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?