Determine wheather the graphs of y- 2x+1 and y=-1/2x-7are paralel pependicular coincident or none of hese a parallel cOincident

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0