X-2y+3z=-2

6x+2y+z=-48

x+4y+3z=-38

A patrolman gives a driver a speeding ticket if the driver's speed is greater than 15% over the posted speed limit. If the speed limit is 40 miles per hour, what is the highest speed that a driver can go without receiving a ticket?

Which trinomial is a perfect square trinomial? y2 + 6y + 36 y2 + 30y + 60 y2 + 50y + 100 y2 + 24y + 144

The label on a package of bolts says each bolt has a diameter of 0.35 inch. To be in the package, the package error of the diameter must be less than 5%. One bolt has a diameter of 0.33 inch. Should it go in the package? Why or Why not?

Alex drives at a speed 75 mph. Write a function showing the dependence of the distance (D) covered by Alex in t hours. Find the domain and range of the function.

Solve the system using any method. x+y=3.7 4x+y=2.8

F (x) = 3x + 10x and g (x) = 5x - 3, find (f + g) (x)

A 16-foot ladder is placed against the side of a building as shown in Figure 1 below. The bottom of the ladder is 8 feet from the base of the building.

F (x) = 7x g (x) = 7x + 6 Which statement about f (x) and its translation, g (x), is true? The domain of g (x) is x, and the domain of f (x) is x. The domain of g (x) is y > 0, and the domain of f (x) is y.

Find the median 4,5,5,6,10,11,12,13

39 rounded to nearst 10