How many prime numbers at between 30 and 50

An angle measures 37.2° more than the measure of its complementary angle. What is the measure of each angle?

The sum of 9 consecutive numbers is 279. What is the sum of the first and the last number?

If the porprotion of defective in the sample is less than 12%, it is reasonable to conclude that the new process is better. O True O False

Joshua is planning the awards breakfast for the freshman class. The catering company charges a 350 fee for the rental materials, plus $6 per person at the party. How may people can Joshua invite without exceeding his $625 budget

What is the result of adding these two equations? 5x-y=6 and - 2x+y=8

What is 422 3/7-367 5/6?

2/3 + 1/4 - 3. What is the anwser

What is the slope of 4/3 and 6,2

5=-10x-10y What's the slope for this parellel line?

8t-r=12t, solve for t