Find the value of each variable

Elm street is straight. willard's house is at point h between the school at point s and the mall at point m. if sh = 3 miles and hm = 4.5 miles, what is the value of sm in miles?

The following figure shows four lines intersecting at a point. in a complete sentence, describe the angle relationship in the diagram. write an equation for the relationship shown in the figure and solve for x and y. confirm your answer by measuring the angle with a protractor

The cost of two tables and three chairs is $705. if the table costs $40 more than the chair,find the cost of the table and the chair