Help! For 30 points!

What is the value of
expressed in base 10?

Would really appreciate if you explained how the answer works as well.

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

The radius of a sphere is 3 inches. which represents the volume of the sphere?

The description below represents function a and the table represents function b: function a the function is 5 more than 3 times x. function b x y −1 2 0 5 1 8 which statement is correct about the slope and y-intercept of the two functions? (1 point) their slopes are equal but y-intercepts are not equal. their slopes are not equal but y-intercepts are equal. both slopes and y intercepts are equal. neither slopes nor y-intercepts are equal.