Lennon has a checing account. he withdrew $130 from the atm tuesday. wednesday he deposited $240. friday he wrote a check for $56. what was the the total change in lennon's account

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

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 a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class