Evaluate the following.
18/3+7-2x5

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}