5. Higher Order Thinking Maria has two
$20 bills, three $5 bills, and four $1 bills.
What other bill or bills does she need to
buy a present that costs $69?

10$ bill

Step-by-step explanation:

2 20$ is 40 + 5(3) = 55+4 = 59$ then 69-59=10$

a4 - 3a2 - 1

step-by-step explanation:

step   1   :

equation at the end of step   1   :

  ((a4) -   3a2) -   1

step   2   :

trying to factor by splitting the middle term

2.1     factoring   a4-3a2-1  

the first term is,   a4   its coefficient is   1 .

the middle term is,   -3a2   its coefficient is   -3 .

the last term, "the constant", is   -1  

step-by-step explanation: