Find the size of angle XYZ. Give your answer to one decimal place

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?