What is the answer to this question rounding off 487 to the nearest ten

What's the geometric mean of these two numbers? 8.5 and 12.4

A question on a math test was to find the value of 15.12 divided by 2.4 Steve said the answer is 0.63 what mistake might Steve have made

Find the sum. Write your answer in scientific notation. (2*105) + (3.8*105) =

49) A car leaves town at 50 miles per hour. Two hours later, a second car, traveling 70 miles per hour, leaves along the same route as the first car. How long would it take for the second car to overtake the first car?

A honda element with a dealer invoice price is $19,700 was retail price at $23,000. How much is the approximate percent markup based on selling price?

Examine the following graph of y=-3x+7.

How many solutions can be found for the following linear equation? 6 (4w + 8) = 12 (2w + 4)

A DJ tracks the song requests she receives on a Friday night. She noted that the number of requests for country songs was 2 more than 4/3 times the number of requests for hip-hop songs. There were 18 requests for country.

What is the value of n? n-2=10n+42n-2=10n+4/2

What are the next three terms in the sequence 5, 14, 23, 32, ... ?