Ibrought three business related books. my total was $150. if one book cost me 50% more than the other two books combined what was the price of this more expensive book

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

`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. ''.