1) Label the other angle in the picture that is 81
degrees. How do you know it's 81 degrees?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)