write an expression for the 10th partial sum of the series 3/4 + 9/8 + 3/2 +... using summation notation

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?