Isabel is thinking of an even number between 234 and 250. the sum of the digits is double the digit in the ones place. what is isabels number?

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

The table showed price paid per concert ticket on a popular online auction site. what was the average price paid per ticket