What inverse operation was used to "get rid" of the 7?

Stefan was able to map / triangle ABD△ABDtriangle, A, B, D onto / triangle ABC△ABCtriangle, A, B, C. Stefan concluded: "I was able to map / triangle ABD△ABDtriangle, A, B, D onto / triangle ABC△ABCtriangle, A, B, C using a sequence of rigid

Of the 350 students in a hall, 20% are girls. Then, 50 more girls entered the hall. Now, what percent of students in the hall are girls

Stuart's income is based entirely on sales commissions. His commission rate is 2.5%, if Stuart sold $2000 worth of merchandise, how much would he earn?

Solve the equation by using the Properties of Equality 7/3y + 2 = 1/2

What is 15 2/3 - 8 1/3 equal then write in simplest form

What expression represents six times a number plus 8 times a number

What is a reasonable estimate of - 3 4 5 + (-5.25) and the actual value?

a restaurant holds 150 diners. when you arrive and are finally seated, the resterant is 2/5 full how many diners are in the restaurant

How many times does 46 go into 351

The circumference of a circle is 16Pi ft. The radius is ft.