Answer:
4x - 4
Step-by-step explanation:
4 × x = 4x
4 × -1 = -4
4x - 4
The heights of women aged 20 to 29 are approximately Normal with mean 64 inches and standard deviation 2.7 inches. Men the same age have mean height 69.3 inches with standard deviation 2.8 inches.
The percent of a tomato is 80%
A number fact is made up of three numbers. These three numbers can be used to make up other number facts. Knowing one fact can help children with other facts. Look at the number facts we can make with the numbers 3, 4, and 7.
<span><span>Addition FactsSubtraction Facts</span><span>3 + 4 = 77 – 3 = 4</span><span>4 + 3 = 7<span>7 – 4 = 3</span></span></span>