whats the probability of either sum of 7 or at least one 5

On the blueprint of a house, 35 millimeters represents 10 meters. The actual length of the living room is[..]

Daniel is 8 years older than Umaima. Daniel and Umaima first met four years ago. Five years ago, Daniel was 5 times[..]

Daniel is 8 years older than Umaima. Daniel and Umaima first met four years ago. Five years ago, Daniel was 5 times[..]

A store sold 14 sweatshirts. White ones cost $9.95, and yellow ones cost $12.50. If $172.45 worth of sweatshirts[..]

United Parcel Service has contracted you to design a closed box with a square base that has a volume of 10,000[..]

A 8--inch pipe must be cut into three pieces. The longest piece will be twice as long as the shortest piece, and[..]

There is a sales tax of $10 on an item that costs $115 before tax. The sales tax on a second item is $24 How much[..]

An executive invests $27,000, some at 8% and some at 4% annual interest. If he receives an annual return of $1,520,[..]

A machine produces 264 bolts in 42 minutes. At the same rate, how many minutes would it take to produce[..]