1 pencil, 2 pens, and 1 eraser cost a total of $0.20. 2 pencils, 3 pens, and 3 erasers cost a total of $0.41. 4 pencils, 1 pen, and 2 erasers cost $0.42. How much does it cost to buy 1 pencil, 1 pen, and 1 eraser? Write your answer in DOLLARS

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered