Antonio has a change jar contains only nickels and quarters . He has 69 coins which add up to a total of $13.05.How many of each type of coins does he have?

Chandler was a caretaker at the state zoo. he noticed that the number of animals adopted by the zoo increased at a constant rate every year since 2010. which of the following graphs shows the slowest rate at which the animals in the zoo were adopted?

Which matrix multiplication is possible?

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?