The quantity of an element is decaying over time such that the amount of material at any time is given by the function M(t) = 4800(0.9)3t+2. Write an equivalent
function of the form M(t)
= abt.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Jordan has $5.37, which he is using to buy ingredients to make salsa. he is buying one red pepper for $1.29 and three pounds of tomatoes. if jordan has exactly the right amount of money he needs, what is the price per pound of the tomatoes? choose the correct equation to represent this real-world problem. solve the equation and verify the reasonableness of your answer. a pound of tomatoes costs .