A scientist at Massey Chemical Laboratory places 7.35 grams of a radioactive element in a dish. The half-life of the element is two days. After d days, the number of grams of the element remaining in the disk can be modeled by the
function R(d) = 7.35(. Identify which statement listed below is true about the equation R(A) when it is rewritten
without the fractional exponent.

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.

Mon wants to make 5 lbs of the sugar syrup. how much water and how much sugar does he need… …to make 5% syrup?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.