Sandy is baking biscuits. Each biscuit is 6.7cm in diameter and about 0.5cm thick.
Calculate the radius of the biscuit and show
your workings:
Sandy wants to fit as many biscuits as
possible on a rectangular baking tray
measuring 33cm long and 22cm wide.
Sandy thinks she will be able to fit 14
biscuits on the tray. Is she correct?
How many biscuits will fit on the tray? Show
your workings:​

Karianne and lucius are analyzing a linear function on a graph. karianne says that unit rate is equal to rate of change, but that slope is calculated differently. lucius says that unit rate, rate of change, and slope are calculated the same way. who is correct? explain your answer.

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Which expression shows the sum of the polynomials with like terms grouped together