Please answer! this is due in 2 mins! If the average student carries about 10 kg of books in his or her backpack, which of the three prototypes best meets the needs of students? Explain your answer.

Which expression is the factorization of x^2+10+21

Has a picture and need within 5 min

For a house call, a veterinarian charges $70, plus $40 an hour. a. write an equation that represents the total fee y y (in dollars) the veterinarian charges for a visit lasting x x hours. equation: y= y= no response given b. find the x-intercept. x-intercept: