mrs. schroeder's class average at the end of the first semester was 70% she wants to improve the average by 10% at the end of the three remaining 6 weeks what will approximate class average be at the end of the school year?

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.

In the geometric progression –3, 12, −48… what term is 3,072?

Evaluate the expression. (9 + 5)(3 + 2)0