2X-20

Solve: 2x - 20 = 2x

= 2x

Find the sum of the first 206 natural numbers

An acute angle θ is in a right triangle with cos θ = five sixths. What is the value of sec θ?

Simplify the following expression x^9*x^-4=x^n

A set of data with a mean of 62 and a standard deviation of 5.7 is normally distributed. what is the value that is - 1 standard deviation from the mean

Melissa had a balance of $104 in her checking account at the beginning of the month. She made one additional deposi of $216 and wrote checks $78, $119, and $105. What was the balance in her checking account at end of the month

Garrett has a current checking account balance of $495. Over the next three days, he receives a direct deposit of $775.75 from his job, pays an annual online banking fee of $34, and makes purchases of $44.21 and $7.92.

5 to the second power minus parentheses 2 times 8 plus 9 equals what need by today work out in 6 grade form

Shanta got 215 marks in an examination. if she had got 10 marks more, she would have scored 60% of the total marks. What are the maximum marks for the examination?

The low temperature for 5 days was - 5 degrees, - 7 degrees, - 2 degrees, 2 degrees, and - 3 degrees. What was the average temperature for those days

Group of 7 people spend 33.50 movie tickets 6.50 adults and 3.50 for child ticket. Which system of equation could be used to find the number adults tickets and child tickets purchased?