What is the solution set of y = x2 + 2x + 7 and y = x + 7?

Calculate the annual effective interest rate of a 12 % nominal annual interest rate compound monthly

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?

For what values of a is the sum of the fractions 2a−1 / 4 and a−1 /3 positive?