A set of exam marks has mean 70,median 65, inter-quartile range 25 and 15 Marks. It is decided to 10 from all the marks. For the new set of marks (a)what is the new mean (b)what is the new median (c)what is tje new inter-quartile range? (d)what is the new SD?​

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

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earned $75 in interest.how much interest will she earn during the following year?