2. Which of the following proves that 209 is NOT a prime number?

a) 209 * 1 = 209

b) 19 * 11 = 209

c) 209 is an odd number

d) 209 is not visible by 2,3,5 and 7.

Derivative of R = (100+50/lnx)

Wich is the least common multiple of 12 and 8?

To qualify for the car race, Christine needed to drive 100 miles under 43 minutes. She completed the first lap in 412 minutes. At this rate, what will be her total time for the 100-mile qualifying distance?

Robert ran 1 km and khali ran 400 who ran farther explain how you know

Compare using = 2/6 2/3

Several friends wanted to rent a summer cottage for $320. When two more people joined the group, each person's share was reduced by $8.00. How many were in the original group?

Consider a square and a regular hexagon (a six-sided figure with sides of equal length). One side of the square is 25 feet longer than a side of the hexagon, and the two figures have the same perimeter.

The measure of angle n is 42º. what is the measure of angle k? parallelogram k l m n where k n is parallel to l m and k l is parallel to m n enter your answer in the box.

The interest that cindy earns on her investment is given by the equation / =42t where t is the time in years that her money is invested. she makes a table to determine how much money she would earn for different values of t.

Solve for x: 6 (4x+5) = 3 (x+8) + 3 round to nearest hundredth