Find the area of the rectangles in the chart. Please NEED HELP

Answer:
1- 42
2- 90
3- 45
Step-by-step explanation:
lxw=area
Answer:
Formula Length *width
You multiple the length by the width to get the answer
Rectangle 1. = 6*7 = 42
Rectangle 2. =9*10 = 90
Rectangle 3. =5*9 = 45