Tbh im dumb but what are the prime factors of 400 and the square root of 400

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.

Sara has 2 2/3 cup taco meat. she needs 1/6 cup to make one taco. how many tacos can sara make with the taco meat she has?

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)