What is mn+5m-2+mn+3

In Connecticut, there is a tax charge of $0.84 on a $14 dinner bill. Find the tax rate in Connecticut. (Tax rates are based on cents per one dollar.) What is the equation to solve this?

A local grocery store tested spinach samples for E coli bacteria using two different tests. The first test has a 94% probability of giving accurate results, while the second test is accurate 89% of the time.

an airplane 30000 feet above the ground begins descending at a rate of 2000 feet per minute. write an equation to model the situation.

Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels at 95 miles per hour. The westbound train travels at 85 miles per hour. How long will it take for the two trains to be 396 miles apart?

Two similar solid shapes a and b are shown, the solids are made from the same matierial the surface area of b is 40.32cm^2 and a is 28cm^2 b has a mass of 6912 calculate the mass of a.

Find the intercepts for the graph of the equation 8x-4y=24. type an ordered pair for y and x

A rectangular-prism-shaped toy chest is 2 m by 1 m by 1 m. A shipping crate is packed with 18 of these toy chests. There is no extra space in the crate. What is the volume of the crate?

Find the quotient of 6613:17=

Part 2 Assignment (6 problems) Use simple interest to find the ending balance! 1. If I invest $210 at 8% for 7 years. What is my ending balance? Answer: I 2. If I invest $14,000 at 6% for 9 years. What is my ending balance? Answer: 3.

Jupiter's orbital radius is equal to 5 au. how luminous is jupiter compared to the sun