Bonita uses her debit card to withdraw $40 from her savings account every week for 7 weeks. what is the change in her account balance at the end of 7 weeks?

answer: i can’t tell you that

step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,