Acarpenter wants to cut on a board 16 1/2 feet in length into 1 7/8 feet pieces. how many pieces can be cut from the board?

In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

Which number produces a rationale number when multiplied by 1/5