Simplify expressions.

12x (x+2) - 5 (2x-1)

The sales tax for an item was $9.40 and it cost $470 before tax. find the sales tax rate. write your answer as a percentage.

What is x in the equation 4+1/4+3=10

Name the place value to which each number was rounded 0.328 to 0.33

A computer, priced at $1380, is marked down to $1057. what is the rate of markdown?

The Delhi metro track is 240km long today. Two years ago, it was 200 km long. By what percentage did metro tracl increase in the last two years?

A local town is holding an election. Officials estimate that 180,000 people will vote if it does not rain and 105,000 people will vote if it rains. The weather forecast indicates that there is a 37% chance of rain on election day.

Jamie started reading his book at 4:02. He read for 47 minutes and finished at 4:49. Which of these is the elapsed time?

Find a close estimate for square root of 46

Which of the following are mutually exclusive events? Choose all that apply. -being a girl and playing soccer -being in California and being in Florida -being 5 years old and playing professional football -being short and playing basketball -being

The employees of the company marked a grid on the floor and set the robot at left parenthesis 2 comma 3 right parenthesis (2,3). They programmed the robot to walk 33 yards east and 55 yards north each minute.