Answer:

Step-by-step explanation:

Answer:
50
Step-by-step explanation:
4 black cards = 5C4 = 5
2 red cards = 5C2 = 10
5 x 10 = 50
To find the length, divide the area by the width:
Length = 20.5 / 2.5 = 8.2 cm
The equation is asking for you to write out an equation y= x + b. The equation should be y= 2x - 1