Use substitution to solve the linear system of equations.

y = 4x
3x + 5y = -46

(-8, -2)
(8, -2)
(-2, 8)
(-2, -8)

The conversion factor relating feet to meters is 1 ft=0.305 m. keep in mind that when using conversion factors, you want to make sure that like units cancel leaving you with the units you need. you have been told that a certain house is 164 m2 in area. how much is this in square feet?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

What ia the sum if the first 7 terms of the geometric series