(Score for Question 4: of 4 points) 4. A clerk at a pet store kept track of customers who purchased at least one box of animal treats in one week. The following histogram shows how many boxes of treats customers purchased throughout the week. (a) How many customers purchased animal treats that week? (1 point) (b) Based on the labelled intervals, what is the maximum number of boxes that could have been purchased? (1 point) (c) How many customers purchased fewer than 11 boxes of animal treats during the week? (1 point) (d) From the information on the histogram, could you answer the following question: How many customers purchased 1 box of dog treats? (1 point)

Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 – 4x + 8x^2) + (–6 + 2x – 5x^2) step 1: rewrite the polynomials without the parentheses. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial. b. subtract polynomials: (3x – 5 – 7x^2) – (–2 + 6x^2 – 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by –1. show your work. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial.

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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