John earns x dollas per hour. petra earn 2 dollars per hour more than him. how much do they earn altogether per hour?

Which of the following is true for the relation f(x)=2x^2+1

What is the measure of angle tvu shown in the diagram below

Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?