How do I write this in algebraic notation.

I think of a number, I multiply it by two, and subtract 9

2) James spent $65 for n books. Write an expression that can be used to find the cost of one book

What is 338.7 rounded to 2 significant figures?

For males in a certain town, the systolic blood pressure is normally distributed with a mean of 125 and a standard deviation of 10. What percentage of males in the town that have a systolic blood pressure higher than 125, to the nearest tenth?

Is [ (3x + 9) (2x) ]2 = 36x (x2 + 6x + 9) a valid identity

Perimeter of a building is 960 feet shortest side 150 feet what is the length of the longest side

A normal curve portraying the weights of machine-filled potato chip bags is centered around 16 ounces, which is the manufacturer's target weight. Any other weight is an error in production.

Every economic decision has only positive benefits. gained opportunities. unavoidable limitations. a consequence or tradeoff.

Choose the correct description of the graph of the compound inequality x - 3 14 A number line with a closed circle on - 8, shading to the left, and an open circle on 9, shading to the right.

Verify if f (x) = 1/2x-2 (and g (x)) = 2x + 4 are inverses.

Are 1/3 and 5/12 equivalent