A contractor buys 20 yd of nylon carpet and 18 yd of wool carpet for $1898. a second purchase, at the same prices, includes 20 yd of nylon carpet and 25 yd of wool carpet for $2255. find the cost per yard of the wool carpet.

Is experimental probability always close to theoretical probability? Explain.

Explain how you can use base 10 blocks to find 2.16:3

In a group of 30 children, there are 4 times as many boys as girls. How many girls are there?

What is 20-200 is it postive or negative?

The diagonals of a rumbus are 21m and 32m what is area of the rombus

What is the flux in a magnetic material when the flux density is 2500 * 10-6 T and the cross-sectional area is 150 cm

What rate is equivalent to 72/9

Mrs. Tiwari has two sons, one being exactly one year older than the other. Her age is equal to the sum of the squares of the ages of her sons. If 4 years hence her age becomes five times the age of the elder son then find the ages of her sons.

Which pair of angles are vertical angles? WRU and SRT WRS and VRT VRU and TRS VRT and SRT

Explain what is important about the sign of the exponent and why it changes the solution.