Cal is measuring the temperature changes in for substances of a different time periods as a part of a school project he records it in the four table shown which data shown is proportional relationship choose all that apply

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?

Consider the function f(x)=-5x+3 what is f(-2)

Select all of the following expressions that are equal to 2.5.