Find the critical value z a/2 that corresponds to a 94% confidence level

If a dozen donuts cost twelve cents, how much does a hundred donuts cost?

Thr area of a square is 144 sq centimeters what is the length of on side of the square

The school is 3.2 blocks from Hector's house. How many blocks does Hector walk to go to and from school

If AC = 12, DC = 7, DE = 5, and the perimeter of ΔABC is 30, what is the perimeter of ΔDEC? A. 12.5 B. 14.0 C. 14.8 D. 17.5

What is - 4x+7=11 with the work and the answer

You have 3 3 rap songs, 6 6 country songs, and 4 4 rock songs on your MP3 player. You shuffle the songs so they play at random without repeating. What is the probability that the first song will be rap and the second song will be country?

Jessie specializes in organizing parties for various occasions, and in the month of September she plans to organize 8 parties. She has the following breakdown of how much it would cost her to organize each party. Venue: $125 Gifts: $4.

A frequency distribution is a way to describe numerical data categorically true or false?

A collar of Styrofoam is made to insulate a pipe. Find its volume. The large radius R is to the outer rim. The small radius r is to the edge of the insulation. Use pi almost equals 3.14. r = 3 in. R=5 in. h = 15 in.

A truck traveled 341 miles on 15 1/2 gallons of gas. How many miles might we expect the truck to travel on 1 gallon gas?