I really need help with this one

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom

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

He graph of f(x) = |x| is stretched by a factor of 0.3 and translated down 4 units. which statement about the domain and range of each function is correct? the range of the transformed function and the parent function are both all real numbers greater than or equal to 4. the domain of the transformed function is all real numbers and is, therefore, different from that of the parent function. the range of the transformed function is all real numbers greater than or equal to 0 and is, therefore, different from that of the parent function. the domain of the transformed function and the parent function are both all real numbers.