If 120 is decreased to 90, find the

percent change.

How many cards he has left

Which describes the combined variation in the formula h=2A/b

All fractions equivalent to 2⁄3.

A fan motor turns at a given angular speed. How does the angular speed of the tips of the blades change if a fan of greater diameter is installed on the motor? Explain.

Which value for x makes this open sentence true? 5 + 5 ● x = x² + 3²

The length and breadth of a room are in the ratio 3:2. The cost of carpeting the room at Rs25 per sq. m is Rs1350 and the cost of papering the four walls at Rs 15 sq. m is Rs 2580. If one door and two windows occupy 8 sq.

Tree Height Problem Assume that the number of inches a tree grows (up) each year is a term in a geometric series. Suppose that you plant a tree that grows 40 inches the first year and 38 inches the next year. a.

A room has an area of 60 square meters and a perimeter of 32. What are the length and width of the room?

The coldest temperature one day was - 10°F. during the day the temperature climbed 16°. what was the higher temperature?

Jeanine is twice as old as her brother Marc if the sum of there ages are is 24 then how old is Jeanine