Simplify - 5.55 - 8.55c + 4.35c

if %25 of the student in elementary algebra courses received a grade of a and there are 300 students enrolled in elementary algebra this year, how many students received an a

Which is the value of this expression when a=-2and b=-3

What is 5.75% of $6,000? (Express answer as dollars and cents.)

If m angle 8=22, m angle 7=31 and m angle EAD=102, find m angle 9

What is the geometric mean of 3 and 7

James tosses a coin 40 times and gets 26 heads and 14 tails. what is the relative frequency of tails? A 14% B 35% C 50% D 65%

How do you regroup 42-15

7k:3=21. What is the value of k?

Which of the pairs of angles are vertical angles and thus congruent?

3r + 7r, Solve for r