Pls help im behind on my work!! Neveah and Clint are baking muffins for the bake sale. They need to bake 30 muffins for their display case. Clint has baked 4 so far, and Neveah has baked 7. How many muffins (m) do they have left to bake? Show your work!

Thank you! =]

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?