AB is a chord of circle centre O. OB bisects AB
AD 12cm, D = Sem and
OD
Determine the radias of
OR in terms of I
Hence, calculate the
length of the radius OB.
12​

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function

An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as