Which graph represents the solution set to this system of equations? Y=-1/2x+3 and y=1/2x-1

How long would it take for a ball dropped from the top of a 576-foot building to hit the ground? round your answer to two decimal places.

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1