What is 5k + (-2k) - (-1)

The difference of two rational numbers is always negative true of false

What processes would occour to add energy to a cell? Quiz about ATP, AMP, and ADP.

5x+8-10x-4 solve by combining like terms

Write an equivalent expression for - 3 (7+5g)

Jamal works part-time earning $8,000 per year. He reduces his work hours by half so that he can go to school. Jamal completes his degree after 3 semesters (1.5 years) at a cost of $1,400 per semester in tuition and $500 per semester in books.

An airplane took four hours to fly 1,500 miles. How many hours will it take the airplane to fly 2,100 miles if it flies at the same speed?

The local ice cream shop is deciding whether or not to hire a new worker. The shop must pay the worker hourly and cover a daily cost for insurance.

4 granola bars are shared equally between 8 people. What fraction of a granola bar does each person receive?

How can x - 2 = x + 8 be set up as a system of equations?

Is $36 for 4 baseball hat equivalent to $56 for 7 baseball hat