What are angles a, b and c

Which expression shows the sum of the polynomials with like terms grouped together

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )