What is the additive of the expression a-b

China's population is 14.46*10814.46*108. Marshall Islands' population is 602.5*102602.5*102. How many times larger is China's population than Marshall Islands' population?

The measure of an exterior angle of a regular polygon is 24 find the measure if the interior angle then find the number of sides

Jamie practiced the piano every four days. He had a piano lesson every nine days. How many more days will it be until Jamie practices and has a lesson on the same day?

Write an expression showing 5 less than the number k.

What time is 7 1/2 hours before 2:12 a. m.

The area of a rectangular classroom is 320 square feet. If the length and width of the classroom are multiplied by 4, what is the area of the new classroom? A) 5120 B) 2540 C) 1700 D) 3840

Ben has been 30 minutes late to work on each of the last 7 days. The number of hours that he has been late will be deducted from his usual 40 hour work week. How many hours will be deducted?

Abigail redecorated her house. A scale drawing of her house can be seen below. If each 6 cm on the scale drawing equals 12 ft, what are the actual dimensions of Abigail's house?

Shawn sells 36 vehicles in 4 weeks, Brett sells 56 vehicles in 7 weeks. Who sells more vehicles per week?

7/8 subtracted by 2/7