Evaluate the expression when a = 10, b= 15 and c=-15

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

The cost varies directly with the number of tickets purchased. it costs $145 for 10 people to attend a concert. a. what is the constant of proportionality (k)? b. write the direct variation equation. c. home much does it cost for 8 people? d. graph this situation. be sure to label each axis and give the graph a title.

Students at a local high school were asked to identify their favorite school subject. the percentages of students' favorite subjects are shownuse the drop-down menus to complete the sentences below.