What is the sum of the fractions? Use the number line and equivalent fractions to help find the answer. Negative three-fourths + one-half

A number line going from negative 2 to positive 2 in increments of one-fourth.
Negative 1 and one-fourth
Negative one-fourth
One-fourth
1 and one-fourth

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Find the solution of this system of equation -7x+y=-20 9x-3y=36

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)) =