Line l and line m are straight lines. What is the measure of angle y? PLEASE HELP ! Line l intersects line m to form 4 angles. Clockwise, from the top, the angles are: y, x, z, 43 degrees.
43°
47°
137°
147°

What is the exact area of a circle with a diameter of 50 centimeters? a.87.9 square centimeters b.379.9 square centimeters c.1962.5 square centimeters d.4923.5 square centimeters

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

If square root x = -7, then x= -49 true or false