If it takes Katie 4 hours to make 20 cupcakes that at that rate how many cupcakes could made in 12 hours answer pl help!

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank