A courtyard has three walls with widths measuring 27 feet, 18 feet, and 30 feet. The
builder plans to lay square tiles at the base of
each wall. The dimensions of the tiles must be
such that a whole number of them will exactly
fit the width of each wall. If all tiles must be the
same size what are the greatest dimensions
each tile can have?

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

Someone answer asap for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9