Simplify: 5^(x+2)-4×5^x÷21×5^x​

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Use the distributive law to multiply. 3(4x + 5y + 6)

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?