Can someone please help me make a story i need it done tonight!!

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

An architect builds a model of a park in the shape of a rectangle. the model is 40.64 centimeters long and 66.04 centimeters wide. one inch equals 2.54 centimeters. use the ratio table to find the ratio of the length to the sum of the length and width in inches and in simplest form. length 40.64 width 66.04 a. 8: 21 b. 13: 21 c. 21: 13 d. 21: 8