Factor by grouping.

ab - 7a + 6b - 42

two sides of a triangle are equal in length. the length of the third side is three more than the length of the equal sides. the perimeter of the triangle is 93cm. find the sides of the triangle

Write the relationship between the values of the given digits the 5's in 2,755

Juan can mow the lawn in 3hrs, juanita can mow it in 5 hours. how long will it take them to mow the lawn working together with two mowers

Find the total cost for a $579 smartphone with 5% sales tax

A salesman tells you that his new system will reduce the time customers wait in line by 15 minutes. Before you pay the $5,000 for this system, you decide to try it out for a few days on random customers, and you notice a difference.

Both triangles are similar. The area of the smaller triangle is about 270 ft^2. What is the best approximation for the larger triangle?

The teacher selerated her class of twenty eight students into two groups. one group has four more than twice as many students as the other group how many students are in each group

Carla drops a carton of eggs. out of 12 eggs, 7 eggs are cracked. as a decimal, what fraction of the eggs are not cracked? [round to 2 places.]

What is 16,473 rounded to the nearest hundred and thousand

19.83 rounded to the nearest tenth