15 points! :) find the value of x for each figure. each figure is in the centimeters(cm). not to scale.

answer this, don't answer if you don't know

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?