Ben is building a storage box for the sail of his boat. The left side of the box is 9 feet long and the right side of the box is 12 feet long. The left and right side form a right angle, as shown in the picture below.

What is the length of the base of the box?

A. 10.5 feet
B. 13.5 feet
C. 15 feet
D. 21 feet

12. decide whether each statement is always true, sometimes true, or never true. a. when corresponding points of an original figure and its reflection are connected, the resulting segments are all perpendicular to the line of reflection. b. when a point is reflected over a horizontal line, the y-coordinate of the point stays the same. answer both questions and explain

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9