ere is a long-division calculation of . a. There is a 7 under the 9 of 917. What does this 7 represent? b. What does the subtraction of 7 from 9 mean? c. Why is a 1 written next to the 2 from ?

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

The graph shows how many words per minute two students read. drag to the table the unit rate that matches each graph.