What is the sum of nine pus ten? (21) ?

Write the equation that represents the relationship between n the number of triangles

I developed a method of teaching that guides the student toward understanding a new idea through questions. Who am I?

David is 4 times older than Adan. Adan is 2 times older than julio. Julio is 12, how old is David?

For every 15 minutes of a show, there are two minutes of commercials. At this rate, if Leila has seen 45 minutes of a show, how many minutes has she been watching TV altogether

Lucy spent 4 hours babysitting last week. her sister Maria spin blank times as many hours babysitting as Lucy that same week. what are all values for blank Maria babysits more hours then her sister Lucy

Departure 5:15 am arrival 11:15 am what is the answer to total flight time

Which text feature best indicates that this workplace document is also a procedural document

lena's house casts a shadow that is 14 feet long at the same time that lena casts a shaodw that is 3.5 feet long if lena is 4.5 feet tall how tall is hr house?

The mean temperature for the first 4 days in January was 4°C. The mean temperature for the first 5 days in January was 5°C. What was the temperature on the 5th day?

Herb knows the volume of a cone is one third that of a cylinder with the same base and height. He reasons that a cone with the same height as a given cylinder but 3 times the radius should therefore have the same volume as the cylinder, since 1/3•3=