A sample of 49 observations is taken from a normal population. the sample mean is 55, and the sample standard deviation is 10. determine the 99 percent confidence interval for the population mean.

An artist experimenting with clay to create pottery with a special texture has been experiencing difficulty with these special pieces. About 40% break in the kiln during firing.

Write an expression for the calculation double nine and then add 27

The equilateral triangle shown is rotated about line a. Each side of the triangle measures 20 mm. What shape is created by the rotation and what is the approximate circumference of the base? Circumference of a circle: C = 2πr

The ratio of red roses to Yellow Roses is 46 and there are a total of 50 roses how many of them are yellow

Which statement describes the graph of f (x) = - 4x^3-28x^2-32x+6

A gardener is making a triangular planting with one tree in the first row four trees in the second row seven trees in the third row and so on for eight rows what is the sequence that describes the number of trees in each row and find the total

Joey paints old furniture and sells the pieces at craft fairs. The function f (t) approximates how many pieces of furniture he paints per hour. The function w (h) represents how many hours per week Joey spends painting the pieces of furniture.

A state park charges a $6 entry fee plus $7.50 per night of camping write an algebraic expression for the cost in dollars of entering the park and camping for n nights

Ariana starts with 100 milligrams of a radioactive substance. The amount of the substance decreases by 20% each week for a number of weeks, w. The expression 100 (1-0.2) w finds the amount of radioactive substance remaining after w weeks.

you car has 30 miles per gallon your palanning to drive 930 miles how many gallons of gas do you need