What is an equation of a line, in point-slope form, that passes through (1, −7) and has a slope of −23 ?

a. y−7=2/3(x−1)

b. y+7=2/3(x+1)

c. y+7=−2/3(x−1)

d. y−7=−2/3(x+1)

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?