Barbie is thinking of s number. Twenty less than one third of the number is 72. Find barbies number

Race track a has 37,000 more grandstand seats than three times the number of grandstand seats at another race track b. together, these two race tracks seat 289,000 auto racing fans. How many seats does each race track have

A ring has a mass 7.21g and a volume of 0.65cm3. Find the density of the ring.

Determine the unit rate of a martathon runner who travels 5/3 miles in 1/4 hours

Find the slope and y-intercpt of the graph of each equation ... Y=-6.75x+8.54

Easton enjoys playing football at recess. he spends 1/4 of an hour at recess each day. how many hours does he spend at recess in a 5 day week?

Jane is 3 years older than mary, and mary is twice as old as kay. if kay is x years old, how old is jane?

Which expression is equivalent to 1.7 - 0.5 (0.2x - 1.6) ? A) 2.5 - 0.1x B) 0.9 - 0.1x C) 0.1x - 0.9 D) 0.1x - 2.5

A ray of light strikes a flat block of glass (n = 1.52) of thickness 1.50 cm at an angle of 36.0° with the normal. Trace the light beam through the glass, and find the angles of incidence and refraction at each surface.

A tree 7 ft. tall grows an average of 6in. each year. Which equation models the tree's height h after x years?

Korey is planning to open a comic book store. He has developed the following expense breakdown for set-up and operation for the first year. Korey has $8,500 in savings and $25,000 in inheritance money to use to open his store.