Suppose a bag contains 4 white chips and 6 black chips. what is the probability of randomly choosing a black chip, not replacing it and then randomly choosing another black chip

Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.