Is it possible to contruct a triangle with angle measures 60,70 and 80 degrees

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2