Simplify the following (2x+3y) + (7x

Find the perimeter of a triangle with side lengths of √80 √20, and √45

Which of the following is the contrapositive of the statement "If I can afford the airfare, then I will purchase a nonstop flight"?

Raul's Dad Bakes bread 5 days a week if He Bakes 85 Loaves each Day, How many Loaves of Bread Will his dad Bake in two 5-Daywork weeks?

An irrational number between 5 and 7

The Flushing River has a current of 3mph. A motorboat takes as long to go 12 miles downstream as to go 8 miles upstream. What is the speed of the boat in still water?

Christopher is working on his math homework. He solves the equation m/6 = 48 and says that the solution is m = 8. Do you agree or disagree with Christopher? Use words and numbers to support your answer.

How long would it take for a race car traveling at a speed of 150 km/hr to travel 3000m?

Is - 6 real, rational, irrational, integer, whole, or natural

An arrow is launched upward with a velocity of 320 feet per second from the top of a 50-foot platform. What is the matimum height attained by the arrow?

How will constraints on the y-intercept or domain affect a linear relationship