Y = 5/7x +2
y = 5/7x - 30
These lines are...

Evaluate the expression for the given value of the variable 7a - 4a for a =8

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?

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true