How do I draw two lines that are perpendicular?

This graph shows the number of books Chris sold in the first 6 days of selling. By Day 3, Chris had sold a total of 7 books (3 books on Day 1, 3 books on Day 2, and 1 book on Day 3). On which day did Chris not sell any books? A. 1 B. 5 C. 6 D. 7

Mindy buys 12 cupcakes. Nine of the cupcakes have chocolate frosting and the rest have vanilla frosting. What fraction the cupcakes have vanilla frosting?

In AABC, side AB is 8 units long and side BC is 25 units long. What cannot be the length of the third side? A) 18 B) 21 C) 27 D) 35

The function f (x) = - 10 (x) (x - 4) represents the approximate height of a projectile launched from the ground into the air as a function of time in seconds, x. How long, from launch to landing, does the projectile stay in the air?

Bart shares his sandwich with 1 friend. How many equal parts should he cut the sandwich into?

The ratio of girls to boys in the grade is 7 to 8. If there are 140 girls, how many boys are there

How does the volume change as each layer is added

El area de un rectangulo de lados 0,0005m y 0,003m es

840, 180, 40, 10, ... Which correctly describe the graph of the geometric seguence? Select two options. The graph will show exponential growth. The graph will appear linear The domain will be the set of natural numbers.

Light travels at a speed of about 186,000 miles per second. Sound travels at a speed of about 1,087 feet per second. How many times does light travel faster than sound?