Mr. Adams accidentally entered Mariela's next test score as 0. Which of theses statements are true? Check all that apply

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

What is 617.3 miles and each gallon of gas the car can travel 41 miles select a reasonable estimate of the number of gallons of gas karl used.