Which systems of equations has a solution of approximately -2,7 , -1,2 a. 4x - 5y = -5 and 3x + 10y = - 20 b. 4x - 5y = 5 and 3x + 10y = 20 c. 4x - 5y = 5 and 3x + 10y = - 20 d. 4x - 5y = -5 and 3x + 10y = 20

Tell me how you got the it use the figures to answer questions 1and 2. in each diagram, line k is parallel to line l, and line t intersects lines. 1. based on the diagrams, what is the value of x? 2. how would you verify your answer for x?

Which expression is equivalent to sq-80

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.