19. the table shows four numeric expressions. which expression is an integer when it's evaluated? a. c b. a c. d d. b expression name expression a –8 + 4⁄7 b 7 – 0.5 c 9 + (–3) d 3.8 – 6.7

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

Identify the number 127 as a rational or irrational. explain