Five family members went to a carnival. -they spent a total of $31.00 for tickets. -students tickets cost $5.00 -adult tickets cost $7.00 each. write and solve a system of equations to determine how many adult tickets were purchased.

Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?

Lines f and g are cut by the transversal d. the measure of 1 = 2x + 35 and the measure of 8 = 10x - 85. what value of x will show that lines f and g are parallel? a. 19 b. 26 c. 18 d. 15