Use the empirical rule (68-95-99.7\%)(68−95−99.7% 68, minus, 95, minus, 99, point, 7, percent, )to estimate the probability of a gorilla living between 14.314.314, point, 3 and 19.419.419, point, 4 years.

On a piece of paper graph f(x)=5•(0.4)^x

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

Jada has a monthly budget for her cell phone bill. last month she spent 120% of her budget, and the bill was 60$. what is jada’s monthly budget