A block of sugar maple wood has a mass of 82.8 g and density of 0.69 ​g/cm3​. The block is a rectangular prism with a length of 5 cm and a width of 4 cm. What is the height of the block of sugar maple?

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

State one method by which you can recognize a perfect square trinomial.

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?