El marco de una fotografia mide 21 cm por 16 cm , si la fotografia ocupa 234 cm^{2} , calcula su ancho

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Measure of angles 31 (x+4) (3x+9) me