45 students is 90% of how many students

What is the exact circumstance of a circle with a radius of 17 mm

Light travels about 180 million kilometers in 10 minutes. How far does it travel in 1 minute? How far does it travel in 1 second?

Use the Intermediate Value Theorem to choose the intervals over which the function, x^4 - 2x^2 - 1, is guaranteed to have a zero. Select all that apply. a. [-2,-1] b. [-1,0] c. [0,1] d. [1,2]

The gcf of 8x and 22xy

6=4x-9y. Answer for y

What multiplication fact could you use to find a number that can be divided evenly by 8 and9?

If ∠A, and ∠B, are complementary angles and if m∠A = 4x-8 and∠B = 2x + 2, what is value of X?

The area of a rectangle is 96 square feet. The ratio of the width to the length is 2:3. The width of the rectangle is how many feet?

How many 1-in cubes can fit into a 2by 4 by by 2 in prism?

Fish give off the compound and ammonia, which has a pH above 7.2. Which class pof commands does ammonia belong?