Amos deposits an amount of r 1260 in an account that pays 8,5% interest per year, compounded quarterly. after six years the amount in the account will be?

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

I’m confused on how to work the pie charts