Find the least comon multple of 10 & 20

What is find the total area

Use 3.14 for π to estimate the area of a circle. the diameter is 24.4. Round your answer to the nearest hundredth if necessary

Prove that a square matrix is invertible if and only if its columns are linearly independent

Determine if function has a maximum or minimum value 2x2+4x-6

If f (x) = 3x + 7, find: f (3) = [? ]

If you multiply a decimal in the hundreths place by a number in the tenths place, you will get a number in what place?

In Mrs. Hu's classroom, 4/5 of the students have a dog as a pet. Of the students who have a dog as a pet, 2/3 have a cat as a pet. If there are 45 students in her class, how many have both a dog and a cat as pets?

Fabiana hikes at a rate of 3 miles per hour. How far can she hike in 4 hours

What are the intercepts of f (x) = x^2 A. (0,0), (1,1) B. There are none C. (0,0) D. (1,0), (0,1), (0,0)

The length of a rectangle is twice its width. The perimeter of the rectangle is no more than 174 cm. What is the greatest possible value for the width? (a) Write an inequality to model the problem. Explain why the inequality models the problem.