Jerry started doing sit-ups every day. The first day he did 11 sit ups. Every day after that he did 4 more sit- ups than he had done the previous day. Today Jerry did 49 sit ups. Write an equation that could be solved
to find the number of days Jerry has been doing sit-ups, not counting the first day, Let n represent the
number of days.
An equation that can help Jerry to find the number of days he has been doing sit ups is given by

What is the slope of a line that is perpendicular to y = 3x + 1

Find the perimeter of the figure shown above. a. 40 cm c. 52 cm b. 60 cm d. 75 cm select the best answer from the choices provided

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)) =