In a sample of 11 men, the mean height was 178 cm. In a sample of 30 women, the mean height was 167 cm. What was the mean height for both groups put together?

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.

According to the rational root theorem, the numbers below are some of the potential roots of f (x) = 10x3 + 29x2 - 66x + 27. Select all that are actual roots. A) - 9/2 B) - 9/10 C) 3/5 D) 1 E) 3

How to find the acceleration and deceleration of a moving object using speed-time graphs?

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?