The weight of 10 identical samples of a substance is 0.1 pound. what is the weight of 1000 samples

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?

Solve for the equation x. 2x + 22 = 4(x + 3)

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.