Engines make up 25% of Denise's collection of 12 miniature train engines and boxcars. After Denise added new engines, her collection was 50% engines. How many engines did she add?

Find the mean, median and range of the following list of values and choose the correct result. 8,9,10,10,10,11,11,11,12,13 You can only choose betweek 5 and 10.5

A snowmobile travel 32 miles in 2 1/3 hour is the distance is the product of the right and the time to the nearest 10th what was the average speed of the snowmobile answer your answer in the box

Read the sentences below. Choose the correct option to show which sentence uses a colon correctly. a) We've chosen two cities to visit London: and Paris. b) We've chosen: two cities to visit London and Paris.

How many unique triangles can be made with 60 degrees and obtuse angle

Do the side lengths 4, 8, and 10 form a triangle

Which formula gives the average rate of change of f (x) over the interval [8, 12]? A:f (8) - f (12) / 12-8 B:f (12) - f (8) / 8-12 C:f (12) - f (8) / 12-8 D:f (12) - f (8)

The equation below describes a circle. What are the coordinates of the center of the circle (x+5) ^2 + (y+7) ^2=21^2

What percent of a circle Is 3/12 of a circle

Kyle walks 3 blocks south from his home to school, and jana walks 2 blocks north from her home to kyle's home. how far and in what direction is the school from jana's home.

What's the greatest common for of 32 and 52