Simplify

Just to double-check my working

A sidewalk around a circular garden is 3 feet wide what is the area of the sidewalk

You have a painting that is 30 in. wide and 22.5 in. tall. You would like to reproduce it on a sheet of paper that measures 8 1/2 in. by 11 in., leaving at least a 1in. margin on all four sides.

Is - 5 (3x-4) incorrect because it should have been multiplied before subtracting?

Select Statistical or Not statistical to classify each question. Question Statistical Not statistical How tall are each of the tallest buildings in New York City? What is the height of the Empire State Building?

Translate the sentence into an equation. Three times the sum of a number and 9 is 4. Use the variable b for the unknown number.

Count back by one with the number 953

Write two multiplication sentences that have a product of 16

What is the scientific notation for - 20.136

An arithmetic sequence is shown below. You are not given many terms of this sequence, but you do have enough to fill in the missing number. What number goes in the blank? 12, _, 54, ...

You invest $100 and expect your money to grow %8 each year. about how many years will it take for your investment to double?