Which equations model exponential decay?

select each correct answer.

y=6(2.1)xy=6(2.1)x

y=0.34(0.98)xy=0.34(0.98)x

y=0.75(1.21)xy=0.75(1.21)x

y=8(0.28)xy=8(0.28)x

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?

Acarton of juice contains 64 ounces miss wilson bought six cartons of juice how many ounces of juice did she buy

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is