3 rooms are occupied by disease x, 4 by disease y, 2 rooms by disease z and 1 by disease a. What is the probability that a random room does not contain disease y?

Write the arithmetic series in summation notation 4+8+12+16

What is the prime rate

Add the equations. 2x-3y = - 1 + 3x + 3y=26

Angela is taping 7 boxes for storage. She uses 1 1/2 feet of tape to close each box how much tape will Angela need to tape the boxes express your answer in simplest form A:10 feet B:10 1/2 C: 11 feet D: 11 1/2

Evaluate this expression. 5^2 + 3 (8-2) A. 28 B. 32 C. 43 D. 47 E. 168

The graph shows where four friends' houses are located. How many units is it between Brian's house and Sue's house? -11 units -9 units 9 units 11 units

A shipment of sugar fills 2 1/5 containers. If each container holds 3 3/4 tons of sugar, what is the amount of sugar in the entire shipment?

How many thousands are in 3.293

The amount of rainfall in January in a certain city is normally distributed with a mean of 4.2 inches and a standard deviation of 0.5 inches. Find the value of the quartile Q1

To describe a sequence of transformations that maps triangle ABC onto triangle A"B"C", a student starts with a reflection over the x-axis. How should the student complete the sequence of transformations to map triangle ABC onto triangle A'B'C''?