Ralph is 3 times old as Sara. In 4 years, Ralph will be only twice as old as Sara will be then. Find Ralph's age now.

Anthony is making a collage for his art class by picking shapes randomly. He has five squares, two triangles, two ovals, and four circles. Find P (a triangle or a square is chosen first).

The table of values represents a logistic function f (x) . How much greater is the average rate of change over the interval [1, 3] than the interval [-4, - 2]? x f (x) -4 0.0018 -3 0.0132 -2 0.0971 1 11.38 2 15.167 3 15.882

A writing workshop enrolls novelists and poets in a ratio of 5 to 3. There are 24 people at the workshop. How many novelists are there? How many poets are there?

How do you find a regression equation

The parking garage at the airport has 140 empty parking spaces and 6,860 full parking spaces. What percentage of the spaces in the garage are empty?

Whats is the volume of a right circular cylinder with a base diameter of 17.5 ft and a height of 24.5 ft

A sphere is circumscribed about an 8-inch by 8-inch by 8-inch cube. Find the volume to the nearest cubic inch.

An auditorium has 30 rows of seats. The first row has 20 seats, the second row has 22 seats, the third row has 24 seats, and so on. What is the total seating capacity of the auditorium

The value of Y varies directly with X. When Y=75, X=1/2. What is the value of Y when X is 2 1/4

A ray is noted by which symbol