Invention cost three dollars for a pack of eight. laura gives the cashier $20 to buy inventions and gets $11 and change. how many packs of inventions does laura by?

The probability of winning something on a single play at a slot machine is 0.11. after 4 plays on the slot machine, what is the probability of winning at least once

Which is the graph of the function y=2(4)^x

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.