A surveyor is measuring the distance across a river. He sets up two similar right triangles and finds that DE=2.4 meters and CD=7 meters. If ABC~EDC, then what is AB?

a) 7.2m

b) 12m

c) 15m

d) 25m

What are the next 2 terms in this sequence? - 26,-20,-14_, _?

7 1/5 x 2/9 in simplest form

Jack had a coin and a number cube. The number cube is labeled one through six. He flips the coin ones and rolls the number cube once. What is the probability that the coin lands tails up and the cube lands on an even number?

Helga wants to have a lot of helium filled balloons at her party. The helium tank cost $58 to rent. Balloons cost $0.29 each. She wants to have 5 helium filled balloons for each party guest.

How many ways an you arrange 4 books on a shelf if you choose from a stack of 30 books?

Solve the inequality for x. - 8x - 16 < - 72 A) x <7 B) x 7 D) x> 11

Jerry kitten grew 3cm between the age 4and 5 months. The kitten grew 2cm between the ages of 5 and 6 months. At 6 months the kitten is 19cm tall was jerry kitten at the age 4months

A pharmacist needs 20 liters of a 2% saline solution. She has a 1% solution and a 5% solution available. How many liters of the 1% solution and how many liters of the 5% solution should she mix to make the 2% solution?

Describe how to solve x^5-2x^3+x=0

Subtract (5x+3) - (x+2)