What is - 3 (x+7) in expaning expressions

What is the (numerical) difference between the square of 9 and the square root of 9

Nicole went to the salon and had 2/5 of an inch of hair cut off. The next day she went back and asked for another 3 inches to be cut off. How much hair did she have cut off in all?

Ruby uses 1/4 yard of ribbon to make 2 bows. If r is the amount of ribbon she uses for bows, in yards, which division equation describes the situation?

Suppose the leftmost digits of two numbers are eight and three can you tell which number is greater explain

Four children have small toys. The first child has 1/10 of the toys, the second child has 12 more toys than the first, the third child has one more toy of what the first child has and the fourth child has double the third child.

Weights and heights of turkeys tend to be correlated. For a population of turkeys at a farm, this correlation is found to be 0.64. The average weight is 17 pounds, SD is 5 pounds. The average height is 28 inches and the SD is 8 inches.

Why dont you square anything with circumference (circles)

Complete the conversion. Enter your answer in the box. 8 pt = __ c

Is 0.409 greater or less than 0.490 or they are the same

Write the equation 2x+3y=1470 in function notation. (Be sure to create a graph and place it in your answer.) Explain what the graph of the function represents. Be sure to use complete sentences.