Given a line with a slope of -5 and a y-intercept of 12. Write the equation of the line in y=mx+b form. Do NOT put spaces.

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?