Mr. lumen replaced a square window with a rectangular one. the new window is 3 ft wider and 2 ft higher than the square one. it has an area of 30 ft. how log was a side of the original square window?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)