The following two polynomials are added: (5x 3 −3x 2 +7x)+(4x 3 + ? +7x)=9x 3 −2x 2 +14x Find the value of the question mark.

To make a monster appear large in a movie, a human actor wore a costume and walked through a scale model of a city. the scale used was 1 inch = 15 feet. the actor is 60 inches tall. how tall does the monster appear in the movie? question 5 options: 720 feet 75 feet 4 feet 900 feet

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

3x + 4y = 5 x- 3y = -7 solve by substitution