Which equations show how to find 16-9? a. 9+1=10 , 10 +5 =15 b. 9+1=10 , 10+6=16 c. 9+2=11 , 11+6=17 d. 9+1=10 , 10+9=19

Aright triangle has an area of 18 square inches. b: if the triangle is not an isosceles triangle, what are all the possible lengths of the legs, if the lengths are whole numbers. answer !

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?