3^ -2 + 1 —- 2^-3. i’m not as interested in an answer as i am in how to solve it ( ^ is for “ to the power of”

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

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?

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students