connie deposits $30 into an account. the value of the account, in dollars, can be modeled as V(t)=30(1.05) , where t is the time, in years , since opening the account to the nearest cent, what is the average rate of change in the value of the account for the first 3 years

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases

True or false? a circle could be circumscribed about the quadrilateral below.

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.