PL HELP ME WHOEVER ANSWERS CORRECTLY GETS BRAINLIEST 1. How would we name the polynomial below? Think about degree and number of terms.
x^4 + 3x^2 - x

2. Simplify by adding
(x + 4) + (2x + 7)

3. Multiply
3x^2(5x^3)

4. Divide
8x^3y^5 / 4x^2y^3

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second