Sang-jin has only quarters and nickels in her piggy bank. she has 66 coins in the bank with a value of $11.50.

how many quarters are in sang-jin’s piggy bank?

enter your answer in the box.

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What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

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

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x