The below equations represent a purchase Roblox for Robux. (Robux = r) One-time purchase = $9.99 = 800r
Subscribed (you purchase every month) = $9.99 = 1000r
One-time purchase = $19.99 = 1700r
Subscribed (you purchase every month) = $19.99 = 2200r
What is the coefficient for the equation for students who subscribe at a rate of $9.99 per month?

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.