In a class 22 of students, 10 have a brother and 11 have a sister. There are 4 students who have a brother and a sister. What is the probability that a student chosen randomly from the class has a brother?

Based on the information marked in the diagram, PQR and STU must be congruent.

A ski shop has a markup rate of 50% find the selling price of skis that cost the store owner $300. tell me how you got the answer

Multiplying a number by 4/5 then dividing by 2/5 is the same as multiplying by what number?

A company has 95,000 shares of stock to sell. A stock broker decides to buy 150 shares of the stock for each of her 250 clients. How many shares will the company have left to sell after the stockbroker makes her purchase?

Rachel jogged along a trail that was one half of a mile long she jogged Along the trail 8 times how many miles did Rachel jog

A honeybee beats its wing 5.7 mph so how many times can it beat its wings in one hour

The temperature changed from 5°c at 6pm to - 2°c at midnight. how much did the temperature decrease

A scientist is cooling a liquid at a steady rate. The temperature of the liquid changed by - 8212 °C over 215 minutes. What was the temperature change after 1 minute?

What is the decay factor that corresponds to a 10% decrease? a. 10 c. 90 b. 0.10 d. 0.90

Meghan is a 50% free throw shooter select a model to stimulate a game in witch in which meaghan shoots 10 free throws