What is b - (1-2b) + (b-3) = - 4

Suppose a certain religious university has a ratio of approximately 90 males to 110 females enrolled as students.

A train station employee collects data on 160 incoming trains to the station. He notices that 18 of the 90 incoming trains on line A arrive late, and 14 of the 70 incoming trains on line B arrive late.

The sum of the digits of a two-digit number is 11. When the digits are reversed, the new number is 27 more than the original number. Find the original number. Check your answer.

The probability of rolling an even number with a six-sided number cube is about 1/2. Choose the likelihood that best describes the probability of this event.

Factor out - 0.25 out of 7g + 3.5

Rite cut riding lawnmower obeys the demand equation p=-1/20x+1060. The cost of producing x lawnmowers is given by the function c (x) =

Surgery is in need in 4 out of every 10 hospital if a hospital had 840 emergency room visits in the past month, how many of these visits would require surgery?

16% in simple form. y

Leah has a piece of cloth that is 3 ft 8 in long. She decides to cut 2/11 of the cloth off. How long is the cloth now?

A triangle has an exterior angle with a measure of 120°. Can you determine the measures of the interior angles? Explain.