Hich of the following sets of numbers could be the lengths of the sides of a triangle?

a. 3 ft, 6 ft, 9 ft

b. 3 ft, 5 ft, 7 ft

c. 3 ft, 6 ft, 12 ft

d. 3 ft, 9 ft, 27 ft

Solve 2x - 11 = k for x.

9 * 10 to the fourth power - 7 * 10 to the second power

The price of a jet ski was marked up 15% over the previous year's model. if the previous year's model sold for $500, what is the cost of the new jet ski?

What is the answer for 8-4 (m+5) = 3 (m-9)

1. Dan's employee benefits include health care coverage. His employer covers 78% of the cost, which is a contribution of $1,599.78 towards the total coverage amount. How much does Dan pay for his coverage?

If x=7+root 40, find the value of root x+1by the root of x

The last time andy went bowling he had a mean score of 158 per game. After 3 games Andy has a total score of 473 He thinks he needs to score over 160 in game 4 to get a mean score greater than 158. Is he correct? Show a check of working

8*{[ (7+4*2-[ (11-7) * 4]}

If the legs of a right triangle have lengths of 4 and 5 units what is the hypotenuse

What are the x-coordinates of the ordered pairs (1,8) and (4,3)