Select all of the situations that represent proportional relationships you might see in your daily life. Hint
Carrie bought 4 books for $31.96 and 6 books for $52.18.
The cost per pound of strawberries is $2.89.
Jenny walks at a constant rate of 3.5 miles per hour.
The graph of the cost of roller skate rentals is a straight line that passes through the points (2,6) and (5, 15).
The graph of the cost per day of a building project is a straight line that passes through the points (0,55) and (3,355).
Alfred earns $18 for landscaping 10 square feet and he earns $48 for landscaping 30 square feet.

Someone answer this asap rn 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)) =

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.